diff --git a/lib/tasks/assets/images/build/ico.js b/lib/tasks/assets/images/build/ico.js
index dac4cd9b5..b242b6202 100644
--- a/lib/tasks/assets/images/build/ico.js
+++ b/lib/tasks/assets/images/build/ico.js
@@ -28,7 +28,7 @@ import changed from "gulp-changed"
export default (gulp, config) => {
return () => {
- return gulp.src(`${config.assets.src}/images/**/*.ico`)
+ return gulp.src(`${config.assets.src}/images/**/favicon.*`)
.pipe(changed(`${config.assets.build}/images`))
.pipe(gulp.dest(`${config.assets.build}/images`))
}
diff --git a/material/404.html b/material/404.html
index 67cfc1126..52beb3b8b 100644
--- a/material/404.html
+++ b/material/404.html
@@ -1,4 +1,4 @@
-{% extends "main.html" %}
+{% extends "base.html" %}
{% block content %}
404 - Not found
{% endblock %}
diff --git a/material/assets/images/favicon.png b/material/assets/images/favicon.png
new file mode 100644
index 000000000..23ccc2bac
Binary files /dev/null and b/material/assets/images/favicon.png differ
diff --git a/material/assets/javascripts/application-ce981a9b53.js b/material/assets/javascripts/application-baa758dc1b.js
similarity index 86%
rename from material/assets/javascripts/application-ce981a9b53.js
rename to material/assets/javascripts/application-baa758dc1b.js
index 3d6658d82..c21ceede2 100644
--- a/material/assets/javascripts/application-ce981a9b53.js
+++ b/material/assets/javascripts/application-baa758dc1b.js
@@ -5,7 +5,7 @@ var Application=function(t){function e(r){if(n[r])return n[r].exports;var o=n[r]
* @copyright The Financial Times Limited [All Rights Reserved]
* @license MIT License (see LICENSE.txt)
*/
-function i(t,e){function n(t,e){return function(){return t.apply(e,arguments)}}var r;if(e=e||{},this.trackingClick=!1,this.trackingClickStart=0,this.targetElement=null,this.touchStartX=0,this.touchStartY=0,this.lastTouchIdentifier=0,this.touchBoundary=e.touchBoundary||10,this.layer=t,this.tapDelay=e.tapDelay||200,this.tapTimeout=e.tapTimeout||700,!i.notNeeded(t)){for(var o=["onMouse","onClick","onTouchStart","onTouchMove","onTouchEnd","onTouchCancel"],a=this,u=0,c=o.length;u=0,s=navigator.userAgent.indexOf("Android")>0&&!a,u=/iP(ad|hone|od)/.test(navigator.userAgent)&&!a,c=u&&/OS 4_\d(_\d)?/.test(navigator.userAgent),l=u&&/OS [6-7]_\d/.test(navigator.userAgent),f=navigator.userAgent.indexOf("BB10")>0;i.prototype.needsClick=function(t){switch(t.nodeName.toLowerCase()){case"button":case"select":case"textarea":if(t.disabled)return!0;break;case"input":if(u&&"file"===t.type||t.disabled)return!0;break;case"label":case"iframe":case"video":return!0}return/\bneedsclick\b/.test(t.className)},i.prototype.needsFocus=function(t){switch(t.nodeName.toLowerCase()){case"textarea":return!0;case"select":return!s;case"input":switch(t.type){case"button":case"checkbox":case"file":case"image":case"radio":case"submit":return!1}return!t.disabled&&!t.readOnly;default:return/\bneedsfocus\b/.test(t.className)}},i.prototype.sendClick=function(t,e){var n,r;document.activeElement&&document.activeElement!==t&&document.activeElement.blur(),r=e.changedTouches[0],n=document.createEvent("MouseEvents"),n.initMouseEvent(this.determineEventType(t),!0,!0,window,1,r.screenX,r.screenY,r.clientX,r.clientY,!1,!1,!1,!1,0,null),n.forwardedTouchEvent=!0,t.dispatchEvent(n)},i.prototype.determineEventType=function(t){return s&&"select"===t.tagName.toLowerCase()?"mousedown":"click"},i.prototype.focus=function(t){var e;u&&t.setSelectionRange&&0!==t.type.indexOf("date")&&"time"!==t.type&&"month"!==t.type?(e=t.value.length,t.setSelectionRange(e,e)):t.focus()},i.prototype.updateScrollParent=function(t){var e,n;if(e=t.fastClickScrollParent,!e||!e.contains(t)){n=t;do{if(n.scrollHeight>n.offsetHeight){e=n,t.fastClickScrollParent=n;break}n=n.parentElement}while(n)}e&&(e.fastClickLastScrollTop=e.scrollTop)},i.prototype.getTargetElementFromEventTarget=function(t){return t.nodeType===Node.TEXT_NODE?t.parentNode:t},i.prototype.onTouchStart=function(t){var e,n,r;if(t.targetTouches.length>1)return!0;if(e=this.getTargetElementFromEventTarget(t.target),n=t.targetTouches[0],u){if(r=window.getSelection(),r.rangeCount&&!r.isCollapsed)return!0;if(!c){if(n.identifier&&n.identifier===this.lastTouchIdentifier)return t.preventDefault(),!1;this.lastTouchIdentifier=n.identifier,this.updateScrollParent(e)}}return this.trackingClick=!0,this.trackingClickStart=t.timeStamp,this.targetElement=e,this.touchStartX=n.pageX,this.touchStartY=n.pageY,t.timeStamp-this.lastClickTimen||Math.abs(e.pageY-this.touchStartY)>n},i.prototype.onTouchMove=function(t){return!this.trackingClick||((this.targetElement!==this.getTargetElementFromEventTarget(t.target)||this.touchHasMoved(t))&&(this.trackingClick=!1,this.targetElement=null),!0)},i.prototype.findControl=function(t){return void 0!==t.control?t.control:t.htmlFor?document.getElementById(t.htmlFor):t.querySelector("button, input:not([type=hidden]), keygen, meter, output, progress, select, textarea")},i.prototype.onTouchEnd=function(t){var e,n,r,o,i,a=this.targetElement;if(!this.trackingClick)return!0;if(t.timeStamp-this.lastClickTimethis.tapTimeout)return!0;if(this.cancelNextClick=!1,this.lastClickTime=t.timeStamp,n=this.trackingClickStart,this.trackingClick=!1,this.trackingClickStart=0,l&&(i=t.changedTouches[0],a=document.elementFromPoint(i.pageX-window.pageXOffset,i.pageY-window.pageYOffset)||a,a.fastClickScrollParent=this.targetElement.fastClickScrollParent),r=a.tagName.toLowerCase(),"label"===r){if(e=this.findControl(a)){if(this.focus(a),s)return!1;a=e}}else if(this.needsFocus(a))return t.timeStamp-n>100||u&&window.top!==window&&"input"===r?(this.targetElement=null,!1):(this.focus(a),this.sendClick(a,t),u&&"select"===r||(this.targetElement=null,t.preventDefault()),!1);return!(!u||c||(o=a.fastClickScrollParent,!o||o.fastClickLastScrollTop===o.scrollTop))||(this.needsClick(a)||(t.preventDefault(),this.sendClick(a,t)),!1)},i.prototype.onTouchCancel=function(){this.trackingClick=!1,this.targetElement=null},i.prototype.onMouse=function(t){return!this.targetElement||(!!t.forwardedTouchEvent||(!t.cancelable||(!(!this.needsClick(this.targetElement)||this.cancelNextClick)||(t.stopImmediatePropagation?t.stopImmediatePropagation():t.propagationStopped=!0,t.stopPropagation(),t.preventDefault(),!1))))},i.prototype.onClick=function(t){var e;return this.trackingClick?(this.targetElement=null,this.trackingClick=!1,!0):"submit"===t.target.type&&0===t.detail||(e=this.onMouse(t),e||(this.targetElement=null),e)},i.prototype.destroy=function(){var t=this.layer;s&&(t.removeEventListener("mouseover",this.onMouse,!0),t.removeEventListener("mousedown",this.onMouse,!0),t.removeEventListener("mouseup",this.onMouse,!0)),t.removeEventListener("click",this.onClick,!0),t.removeEventListener("touchstart",this.onTouchStart,!1),t.removeEventListener("touchmove",this.onTouchMove,!1),t.removeEventListener("touchend",this.onTouchEnd,!1),t.removeEventListener("touchcancel",this.onTouchCancel,!1)},i.notNeeded=function(t){var e,n,r,o;if("undefined"==typeof window.ontouchstart)return!0;if(n=+(/Chrome\/([0-9]+)/.exec(navigator.userAgent)||[,0])[1]){if(!s)return!0;if(e=document.querySelector("meta[name=viewport]")){if(e.content.indexOf("user-scalable=no")!==-1)return!0;if(n>31&&document.documentElement.scrollWidth<=window.outerWidth)return!0}}if(f&&(r=navigator.userAgent.match(/Version\/([0-9]*)\.([0-9]*)/),r[1]>=10&&r[2]>=3&&(e=document.querySelector("meta[name=viewport]")))){if(e.content.indexOf("user-scalable=no")!==-1)return!0;if(document.documentElement.scrollWidth<=window.outerWidth)return!0}return"none"===t.style.msTouchAction||"manipulation"===t.style.touchAction||(o=+(/Firefox\/([0-9]+)/.exec(navigator.userAgent)||[,0])[1],!!(o>=27&&(e=document.querySelector("meta[name=viewport]"),e&&(e.content.indexOf("user-scalable=no")!==-1||document.documentElement.scrollWidth<=window.outerWidth)))||("none"===t.style.touchAction||"manipulation"===t.style.touchAction))},i.attach=function(t,e){return new i(t,e)},"object"===o(n(69))&&n(69)?(r=function(){return i}.call(e,n,e,t),!(void 0!==r&&(t.exports=r))):"undefined"!=typeof t&&t.exports?(t.exports=i.attach,t.exports.FastClick=i):window.FastClick=i}()},function(t,e){(function(e){t.exports=e}).call(e,{})},function(t,e,n){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var o=n(71),i=r(o),a=n(74),s=r(a),u=n(76),c=r(u),l=n(80),f=r(l),d=n(85),h=r(d),p=n(88),v=r(p),y=n(94),m=r(y);e.default={Event:i.default,Header:s.default,Nav:c.default,Search:f.default,Sidebar:h.default,Source:v.default,Tabs:m.default},t.exports=e.default},function(t,e,n){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var o=n(72),i=r(o),a=n(73),s=r(a);e.default={Listener:i.default,MatchMedia:s.default},t.exports=e.default},function(t,e){"use strict";function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(e,"__esModule",{value:!0});var r=function(){function t(t,e){for(var n=0;n=this.height_;t!==this.active_&&(this.header_.dataset.mdState=(this.active_=t)?"shadow":"")}},{key:"reset",value:function(){this.header_.dataset.mdState="",this.height_=0,this.active_=!1}}]),t}();e.default=o,t.exports=e.default},function(t,e,n){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var o=n(77),i=r(o),a=n(78),s=r(a),u=n(79),c=r(u);e.default={Blur:i.default,Collapse:s.default,Scrolling:c.default},t.exports=e.default},function(t,e){"use strict";function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(e,"__esModule",{value:!0});var r=function(){function t(t,e){for(var n=0;n0&&(this.els_[n-1].dataset.mdState="blur"),this.index_=n;else for(var r=this.index_;r>=0;r--){if(!(this.anchors_[r].offsetTop-80>t)){this.index_=r;break}r>0&&(this.els_[r-1].dataset.mdState="")}this.offset_=t,this.dir_=e}}},{key:"reset",value:function(){Array.prototype.forEach.call(this.els_,function(t){t.dataset.mdState=""}),this.index_=0,this.offset_=window.pageYOffset}}]),t}();e.default=o,t.exports=e.default},function(t,e){"use strict";function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(e,"__esModule",{value:!0});var r=function(){function t(t,e){for(var n=0;nn){for(;" "!==t[n]&&--n>0;);return t.substring(0,n)+"..."}return t}}return s(t,[{key:"update",value:function(t){var e=this;if("focus"!==t.type||this.index_){if("keyup"===t.type){for(;this.list_.firstChild;)this.list_.removeChild(this.list_.firstChild);var n=this.index_.search(t.target.value);n.forEach(function(t){var n=e.data_[t.ref],o=n.location.split("#"),i=a(o,1),s=i[0];s=s.replace(/^(\/?\.{2})+/g,""),e.list_.appendChild(r.createElement("li",{class:"md-search-result__item"},r.createElement("a",{href:n.location,title:n.title,class:"md-search-result__link","data-md-rel":s===document.location.pathname?"anchor":""},r.createElement("article",{class:"md-search-result__article"},r.createElement("h1",{class:"md-search-result__title"},n.title),r.createElement("p",{class:"md-search-result__teaser"},e.truncate_(n.text,140))))))});var o=this.list_.querySelectorAll("[data-md-rel=anchor]");Array.prototype.forEach.call(o,function(t){t.addEventListener("click",function(e){var n=document.querySelector("[data-md-toggle=search]");n.checked&&(n.checked=!1,n.dispatchEvent(new CustomEvent("change"))),e.preventDefault(),setTimeout(function(){document.location.href=t.href},100)})}),this.meta_.textContent=n.length+" search result"+(1!==n.length?"s":"")}}else!function(){var t=function(t){e.index_=(0,c.default)(function(){this.field("title",{boost:10}),this.field("text"),this.ref("location")}),e.data_=t.reduce(function(t,n){return e.index_.add(n),t[n.location]=n,t},{})};setTimeout(function(){return"function"==typeof e.data_?e.data_().then(t):t(e.data_)},250)}()}}]),t}();e.default=l,t.exports=e.default}).call(e,n(83))},function(t,e){"use strict";Object.defineProperty(e,"__esModule",{value:!0}),e.default={createElement:function(t,e){var n=document.createElement(t);e&&Array.prototype.forEach.call(Object.keys(e),function(t){n.setAttribute(t,e[t])});for(var r=function t(e){Array.prototype.forEach.call(e,function(e){"string"==typeof e||"number"==typeof e?n.textContent+=e:Array.isArray(e)?t(e):n.appendChild(e)})},o=arguments.length,i=Array(o>2?o-2:0),a=2;a=0,s=navigator.userAgent.indexOf("Android")>0&&!a,u=/iP(ad|hone|od)/.test(navigator.userAgent)&&!a,c=u&&/OS 4_\d(_\d)?/.test(navigator.userAgent),l=u&&/OS [6-7]_\d/.test(navigator.userAgent),f=navigator.userAgent.indexOf("BB10")>0;i.prototype.needsClick=function(t){switch(t.nodeName.toLowerCase()){case"button":case"select":case"textarea":if(t.disabled)return!0;break;case"input":if(u&&"file"===t.type||t.disabled)return!0;break;case"label":case"iframe":case"video":return!0}return/\bneedsclick\b/.test(t.className)},i.prototype.needsFocus=function(t){switch(t.nodeName.toLowerCase()){case"textarea":return!0;case"select":return!s;case"input":switch(t.type){case"button":case"checkbox":case"file":case"image":case"radio":case"submit":return!1}return!t.disabled&&!t.readOnly;default:return/\bneedsfocus\b/.test(t.className)}},i.prototype.sendClick=function(t,e){var n,r;document.activeElement&&document.activeElement!==t&&document.activeElement.blur(),r=e.changedTouches[0],n=document.createEvent("MouseEvents"),n.initMouseEvent(this.determineEventType(t),!0,!0,window,1,r.screenX,r.screenY,r.clientX,r.clientY,!1,!1,!1,!1,0,null),n.forwardedTouchEvent=!0,t.dispatchEvent(n)},i.prototype.determineEventType=function(t){return s&&"select"===t.tagName.toLowerCase()?"mousedown":"click"},i.prototype.focus=function(t){var e;u&&t.setSelectionRange&&0!==t.type.indexOf("date")&&"time"!==t.type&&"month"!==t.type?(e=t.value.length,t.setSelectionRange(e,e)):t.focus()},i.prototype.updateScrollParent=function(t){var e,n;if(e=t.fastClickScrollParent,!e||!e.contains(t)){n=t;do{if(n.scrollHeight>n.offsetHeight){e=n,t.fastClickScrollParent=n;break}n=n.parentElement}while(n)}e&&(e.fastClickLastScrollTop=e.scrollTop)},i.prototype.getTargetElementFromEventTarget=function(t){return t.nodeType===Node.TEXT_NODE?t.parentNode:t},i.prototype.onTouchStart=function(t){var e,n,r;if(t.targetTouches.length>1)return!0;if(e=this.getTargetElementFromEventTarget(t.target),n=t.targetTouches[0],u){if(r=window.getSelection(),r.rangeCount&&!r.isCollapsed)return!0;if(!c){if(n.identifier&&n.identifier===this.lastTouchIdentifier)return t.preventDefault(),!1;this.lastTouchIdentifier=n.identifier,this.updateScrollParent(e)}}return this.trackingClick=!0,this.trackingClickStart=t.timeStamp,this.targetElement=e,this.touchStartX=n.pageX,this.touchStartY=n.pageY,t.timeStamp-this.lastClickTimen||Math.abs(e.pageY-this.touchStartY)>n},i.prototype.onTouchMove=function(t){return!this.trackingClick||((this.targetElement!==this.getTargetElementFromEventTarget(t.target)||this.touchHasMoved(t))&&(this.trackingClick=!1,this.targetElement=null),!0)},i.prototype.findControl=function(t){return void 0!==t.control?t.control:t.htmlFor?document.getElementById(t.htmlFor):t.querySelector("button, input:not([type=hidden]), keygen, meter, output, progress, select, textarea")},i.prototype.onTouchEnd=function(t){var e,n,r,o,i,a=this.targetElement;if(!this.trackingClick)return!0;if(t.timeStamp-this.lastClickTimethis.tapTimeout)return!0;if(this.cancelNextClick=!1,this.lastClickTime=t.timeStamp,n=this.trackingClickStart,this.trackingClick=!1,this.trackingClickStart=0,l&&(i=t.changedTouches[0],a=document.elementFromPoint(i.pageX-window.pageXOffset,i.pageY-window.pageYOffset)||a,a.fastClickScrollParent=this.targetElement.fastClickScrollParent),r=a.tagName.toLowerCase(),"label"===r){if(e=this.findControl(a)){if(this.focus(a),s)return!1;a=e}}else if(this.needsFocus(a))return t.timeStamp-n>100||u&&window.top!==window&&"input"===r?(this.targetElement=null,!1):(this.focus(a),this.sendClick(a,t),u&&"select"===r||(this.targetElement=null,t.preventDefault()),!1);return!(!u||c||(o=a.fastClickScrollParent,!o||o.fastClickLastScrollTop===o.scrollTop))||(this.needsClick(a)||(t.preventDefault(),this.sendClick(a,t)),!1)},i.prototype.onTouchCancel=function(){this.trackingClick=!1,this.targetElement=null},i.prototype.onMouse=function(t){return!this.targetElement||(!!t.forwardedTouchEvent||(!t.cancelable||(!(!this.needsClick(this.targetElement)||this.cancelNextClick)||(t.stopImmediatePropagation?t.stopImmediatePropagation():t.propagationStopped=!0,t.stopPropagation(),t.preventDefault(),!1))))},i.prototype.onClick=function(t){var e;return this.trackingClick?(this.targetElement=null,this.trackingClick=!1,!0):"submit"===t.target.type&&0===t.detail||(e=this.onMouse(t),e||(this.targetElement=null),e)},i.prototype.destroy=function(){var t=this.layer;s&&(t.removeEventListener("mouseover",this.onMouse,!0),t.removeEventListener("mousedown",this.onMouse,!0),t.removeEventListener("mouseup",this.onMouse,!0)),t.removeEventListener("click",this.onClick,!0),t.removeEventListener("touchstart",this.onTouchStart,!1),t.removeEventListener("touchmove",this.onTouchMove,!1),t.removeEventListener("touchend",this.onTouchEnd,!1),t.removeEventListener("touchcancel",this.onTouchCancel,!1)},i.notNeeded=function(t){var e,n,r,o;if("undefined"==typeof window.ontouchstart)return!0;if(n=+(/Chrome\/([0-9]+)/.exec(navigator.userAgent)||[,0])[1]){if(!s)return!0;if(e=document.querySelector("meta[name=viewport]")){if(e.content.indexOf("user-scalable=no")!==-1)return!0;if(n>31&&document.documentElement.scrollWidth<=window.outerWidth)return!0}}if(f&&(r=navigator.userAgent.match(/Version\/([0-9]*)\.([0-9]*)/),r[1]>=10&&r[2]>=3&&(e=document.querySelector("meta[name=viewport]")))){if(e.content.indexOf("user-scalable=no")!==-1)return!0;if(document.documentElement.scrollWidth<=window.outerWidth)return!0}return"none"===t.style.msTouchAction||"manipulation"===t.style.touchAction||(o=+(/Firefox\/([0-9]+)/.exec(navigator.userAgent)||[,0])[1],!!(o>=27&&(e=document.querySelector("meta[name=viewport]"),e&&(e.content.indexOf("user-scalable=no")!==-1||document.documentElement.scrollWidth<=window.outerWidth)))||("none"===t.style.touchAction||"manipulation"===t.style.touchAction))},i.attach=function(t,e){return new i(t,e)},"object"===o(n(69))&&n(69)?(r=function(){return i}.call(e,n,e,t),!(void 0!==r&&(t.exports=r))):"undefined"!=typeof t&&t.exports?(t.exports=i.attach,t.exports.FastClick=i):window.FastClick=i}()},function(t,e){(function(e){t.exports=e}).call(e,{})},function(t,e,n){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var o=n(71),i=r(o),a=n(74),s=r(a),u=n(76),c=r(u),l=n(80),f=r(l),d=n(85),h=r(d),p=n(88),v=r(p),y=n(94),m=r(y);e.default={Event:i.default,Header:s.default,Nav:c.default,Search:f.default,Sidebar:h.default,Source:v.default,Tabs:m.default},t.exports=e.default},function(t,e,n){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var o=n(72),i=r(o),a=n(73),s=r(a);e.default={Listener:i.default,MatchMedia:s.default},t.exports=e.default},function(t,e){"use strict";function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(e,"__esModule",{value:!0});var r=function(){function t(t,e){for(var n=0;n=this.height_;t!==this.active_&&(this.header_.dataset.mdState=(this.active_=t)?"shadow":"")}},{key:"reset",value:function(){this.header_.dataset.mdState="",this.height_=0,this.active_=!1}}]),t}();e.default=o,t.exports=e.default},function(t,e,n){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var o=n(77),i=r(o),a=n(78),s=r(a),u=n(79),c=r(u);e.default={Blur:i.default,Collapse:s.default,Scrolling:c.default},t.exports=e.default},function(t,e){"use strict";function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(e,"__esModule",{value:!0});var r=function(){function t(t,e){for(var n=0;n0&&(this.els_[n-1].dataset.mdState="blur"),this.index_=n;else for(var r=this.index_;r>=0;r--){if(!(this.anchors_[r].offsetTop-80>t)){this.index_=r;break}r>0&&(this.els_[r-1].dataset.mdState="")}this.offset_=t,this.dir_=e}}},{key:"reset",value:function(){Array.prototype.forEach.call(this.els_,function(t){t.dataset.mdState=""}),this.index_=0,this.offset_=window.pageYOffset}}]),t}();e.default=o,t.exports=e.default},function(t,e){"use strict";function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(e,"__esModule",{value:!0});var r=function(){function t(t,e){for(var n=0;nn){for(;" "!==t[n]&&--n>0;);return t.substring(0,n)+"..."}return t}}return s(t,[{key:"update",value:function(t){var e=this;if("focus"!==t.type||this.index_){if("keyup"===t.type){for(;this.list_.firstChild;)this.list_.removeChild(this.list_.firstChild);var n=this.index_.search(t.target.value);n.forEach(function(t){var n=e.data_[t.ref],o=n.location.split("#"),i=a(o,1),s=i[0];s=s.replace(/^(\/?\.{2})+/g,""),e.list_.appendChild(r.createElement("li",{class:"md-search-result__item"},r.createElement("a",{href:n.location,title:n.title,class:"md-search-result__link","data-md-rel":s===document.location.pathname?"anchor":""},r.createElement("article",{class:"md-search-result__article"},r.createElement("h1",{class:"md-search-result__title"},n.title),r.createElement("p",{class:"md-search-result__teaser"},e.truncate_(n.text,140))))))});var o=this.list_.querySelectorAll("[data-md-rel=anchor]");Array.prototype.forEach.call(o,function(t){t.addEventListener("click",function(e){var n=document.querySelector("[data-md-toggle=search]");n.checked&&(n.checked=!1,n.dispatchEvent(new CustomEvent("change"))),e.preventDefault(),setTimeout(function(){document.location.href=t.href},100)})}),this.meta_.textContent=n.length+" search result"+(1!==n.length?"s":"")}}else!function(){var t=function(t){e.index_=(0,c.default)(function(){this.field("title",{boost:10}),this.field("text"),this.ref("location")}),e.data_=t.reduce(function(t,n){return e.index_.add(n),t[n.location]=n,t},{})};setTimeout(function(){return"function"==typeof e.data_?e.data_().then(t):t(e.data_)},250)}()}}]),t}();e.default=l,t.exports=e.default}).call(e,n(83))},function(t,e){"use strict";Object.defineProperty(e,"__esModule",{value:!0}),e.default={createElement:function(t,e){var n=document.createElement(t);e&&Array.prototype.forEach.call(Object.keys(e),function(t){n.setAttribute(t,e[t])});for(var r=function t(e){Array.prototype.forEach.call(e,function(e){"string"==typeof e||"number"==typeof e?n.textContent+=e:Array.isArray(e)?t(e):n.appendChild(e)})},o=arguments.length,i=Array(o>2?o-2:0),a=2;acode{margin:inherit;padding:inherit;border-radius:none;background-color:inherit;color:inherit;box-shadow:none}.md-typeset pre{margin:1em 0;padding:1rem 1.2rem;border-radius:.2rem;line-height:1.4;overflow:auto;-webkit-overflow-scrolling:touch}.md-typeset pre::-webkit-scrollbar{width:.4rem;height:.4rem}.md-typeset pre::-webkit-scrollbar-thumb{background-color:rgba(0,0,0,.26)}.md-typeset pre::-webkit-scrollbar-thumb:hover{background-color:#536dfe}.md-typeset pre>code{margin:0;background-color:transparent;font-size:inherit;box-shadow:none;-webkit-box-decoration-break:none;box-decoration-break:none}.md-typeset kbd{padding:0 .29412em;border:.1rem solid #c9c9c9;border-radius:.2rem;border-bottom-color:#bcbcbc;background-color:#fcfcfc;color:#555;font-size:85%;box-shadow:0 .1rem 0 #b0b0b0;word-break:break-word}.md-typeset mark{margin:0 .25em;padding:.0625em 0;border-radius:.2rem;background-color:rgba(255,235,59,.5);box-shadow:.25em 0 0 rgba(255,235,59,.5),-.25em 0 0 rgba(255,235,59,.5);word-break:break-word;-webkit-box-decoration-break:clone;box-decoration-break:clone}.md-typeset abbr{border-bottom:.1rem dotted rgba(0,0,0,.54);cursor:help}.md-typeset small{opacity:.75}.md-typeset sub,.md-typeset sup{margin-left:.07812em}.md-typeset blockquote{padding-left:1.2rem;border-left:.4rem solid rgba(0,0,0,.26);color:rgba(0,0,0,.54)}.md-typeset ul{list-style-type:disc}.md-typeset ol,.md-typeset ul{margin-left:.625em;padding:0}.md-typeset ol ol,.md-typeset ul ol{list-style-type:lower-alpha}.md-typeset ol ol ol,.md-typeset ul ol ol{list-style-type:lower-roman}.md-typeset ol li,.md-typeset ul li{margin-bottom:.5em;margin-left:1.25em}.md-typeset ol li blockquote,.md-typeset ol li p,.md-typeset ul li blockquote,.md-typeset ul li p{margin:.5em 0}.md-typeset ol li:last-child,.md-typeset ul li:last-child{margin-bottom:0}.md-typeset ol li ol,.md-typeset ol li ul,.md-typeset ul li ol,.md-typeset ul li ul{margin:.5em 0 .5em .625em}.md-typeset iframe,.md-typeset img,.md-typeset svg{max-width:100%}.md-typeset table:not([class]){box-shadow:0 2px 2px 0 rgba(0,0,0,.14),0 1px 5px 0 rgba(0,0,0,.12),0 3px 1px -2px rgba(0,0,0,.2);margin:2em 0;border-radius:.2rem;font-size:1.28rem;overflow:hidden}.no-js .md-typeset table:not([class]){display:inline-block;max-width:100%;margin:.8em 0;overflow:auto;-webkit-overflow-scrolling:touch}.md-typeset table:not([class]) td:not([align]),.md-typeset table:not([class]) th:not([align]){text-align:left}.md-typeset table:not([class]) th{min-width:10rem;padding:1.2rem 1.6rem;background-color:rgba(0,0,0,.54);color:#fff;vertical-align:top}.md-typeset table:not([class]) td{padding:1.2rem 1.6rem;border-top:.1rem solid rgba(0,0,0,.07);vertical-align:top}.md-typeset table:not([class]) tr:first-child td{border-top:0}.md-typeset table:not([class]) a{word-break:normal}.md-typeset .md-typeset__table{margin:1.6em -1.6rem;overflow-x:auto;-webkit-overflow-scrolling:touch}.md-typeset .md-typeset__table table{display:inline-block;margin:0 1.6rem}html{font-size:62.5%}body,html{height:100%}body{position:relative}hr{display:block;height:.1rem;padding:0;border:0}.md-svg{display:none}.md-grid{max-width:122rem;margin-right:auto;margin-left:auto}.md-container,.md-main{overflow:auto}.md-container{display:table;width:100%;height:100%;padding-top:5.6rem;table-layout:fixed}.md-main{display:table-row;height:100%}.md-main__inner{padding-top:3rem;overflow:auto}.csscalc .md-main__inner{min-height:calc(100% - 2.6rem)}@-moz-document url-prefix(){.csscalc .md-main__inner{min-height:calc(100% - 5.6rem)}}.md-toggle{display:none}.md-overlay{position:fixed;top:0;width:0;height:0;-webkit-transition:width 0s .25s,height 0s .25s,opacity .25s;transition:width 0s .25s,height 0s .25s,opacity .25s;background-color:rgba(0,0,0,.54);opacity:0;z-index:2}.md-flex{display:table}.md-flex__cell{display:table-cell;position:relative;vertical-align:top}.md-flex__cell--shrink{width:0}.md-flex__cell--stretch{display:table;width:100%;table-layout:fixed}.md-flex__ellipsis{display:table-cell;text-overflow:ellipsis;white-space:nowrap;overflow:hidden}@page{margin:25mm}.md-content__inner{margin:2.4rem 1.6rem}.md-content__edit{float:right}.md-header{position:fixed;top:0;right:0;left:0;height:5.6rem;-webkit-transition:background-color .25s;transition:background-color .25s;background-color:#3f51b5;color:#fff;z-index:1}.md-header,.no-js .md-header{box-shadow:0 3px 4px 0 rgba(0,0,0,.14),0 1px 8px 0 rgba(0,0,0,.12),0 3px 3px -2px rgba(0,0,0,.4)}.md-header-nav{padding:.4rem}.md-header-nav__button{position:relative;-webkit-transition:opacity .25s;transition:opacity .25s;z-index:1}.md-header-nav__button:hover{opacity:.7}.md-header-nav__button.md-logo img{display:block}.no-js .md-header-nav__button.md-icon--search{display:none}.md-header-nav__title{padding:0 2rem;font-size:1.8rem;line-height:4.8rem}.md-header-nav__parent{color:hsla(0,0%,100%,.7)}.md-header-nav__parent:after{display:inline;color:hsla(0,0%,100%,.3);content:"/"}.md-header-nav__source{display:none}.md-footer-nav{background-color:rgba(0,0,0,.87);color:#fff}.md-footer-nav__inner{padding:.4rem;overflow:auto}.md-footer-nav__link{padding-top:2.8rem;padding-bottom:.8rem;-webkit-transition:opacity .25s;transition:opacity .25s}.md-footer-nav__link:hover{opacity:.7}.md-footer-nav__link--prev{width:25%;float:left}.md-footer-nav__link--next{width:75%;float:right;text-align:right}.md-footer-nav__button{-webkit-transition:background .25s;transition:background .25s}.md-footer-nav__title{position:relative;padding:0 2rem;font-size:1.8rem;line-height:4.8rem}.md-footer-nav__direction{position:absolute;right:0;left:0;margin-top:-2rem;padding:0 2rem;color:hsla(0,0%,100%,.7);font-size:1.5rem}.md-footer-meta{background:rgba(0,0,0,.895)}.md-footer-meta__inner{padding:.4rem;overflow:auto}html .md-footer-meta.md-typeset a{color:hsla(0,0%,100%,.7)}.md-footer-copyright{margin:0 1.2rem;padding:.8rem 0;color:hsla(0,0%,100%,.3);font-size:1.28rem}.md-footer-copyright__highlight{color:hsla(0,0%,100%,.7)}.md-footer-social{margin:0 .8rem;padding:.4rem 0 1.2rem}.md-footer-social__link{display:inline-block;width:3.2rem;height:3.2rem;border:.1rem solid hsla(0,0%,100%,.12);border-radius:100%;color:hsla(0,0%,100%,.7);font-size:1.6rem;text-align:center}.md-footer-social__link:before{line-height:1.9}.md-nav{font-size:1.4rem;line-height:1.3}.md-nav--secondary{-webkit-transition:border-left .25s;transition:border-left .25s;border-left:.4rem solid #3f51b5}.md-nav__title{display:block;padding:1.2rem 1.2rem 0;font-weight:700;text-overflow:ellipsis;overflow:hidden}.md-nav__title:before{display:none;content:"arrow_back"}.md-nav__title .md-nav__button{display:none}.md-nav__list{margin:0;padding:0;list-style:none}.md-nav__item{padding:0 1.2rem}.md-nav__item:last-child{padding-bottom:1.2rem}.md-nav__item .md-nav__item{padding-right:0}.md-nav__item .md-nav__item:last-child{padding-bottom:0}.md-nav__button img{width:100%;height:auto}.md-nav__link{display:block;margin-top:.625em;-webkit-transition:color .125s;transition:color .125s;text-overflow:ellipsis;cursor:pointer;overflow:hidden}.md-nav__item--nested>.md-nav__link:after{content:"keyboard_arrow_down"}html .md-nav__link[for=toc],html .md-nav__link[for=toc]+.md-nav__link:after,html .md-nav__link[for=toc]~.md-nav{display:none}.md-nav__link[data-md-state=blur]{color:rgba(0,0,0,.54)}.md-nav__link--active,.md-nav__link:active{color:#3f51b5}.md-nav__link:hover{color:#536dfe}.md-nav__source,.no-js .md-search{display:none}.md-search__overlay{display:none;pointer-events:none}.md-search__inner{width:100%}.md-search__form{position:relative}.md-search__input{position:relative;padding:0 1.6rem 0 7.2rem;text-overflow:ellipsis;z-index:1}.md-search__input+.md-search__icon,.md-search__input::-webkit-input-placeholder{color:rgba(0,0,0,.54)}.md-search__input+.md-search__icon,.md-search__input::-moz-placeholder{color:rgba(0,0,0,.54)}.md-search__input+.md-search__icon,.md-search__input:-ms-input-placeholder{color:rgba(0,0,0,.54)}.md-search__input+.md-search__icon,.md-search__input::placeholder{color:rgba(0,0,0,.54)}.md-search__input::-ms-clear{display:none}.md-search__icon{position:absolute;top:.8rem;left:1.2rem;-webkit-transition:color .25s;transition:color .25s;font-size:2.4rem;cursor:pointer;z-index:1}.md-search__icon:before{content:"search"}.md-search__output{position:absolute;width:100%;border-radius:0 0 .2rem .2rem;overflow:hidden}.md-search__scrollwrap{height:100%;background:-webkit-linear-gradient(top,#fff 10%,hsla(0,0%,100%,0)),-webkit-linear-gradient(top,rgba(0,0,0,.26),rgba(0,0,0,.07) 35%,transparent 60%);background:linear-gradient(180deg,#fff 10%,hsla(0,0%,100%,0)),linear-gradient(180deg,rgba(0,0,0,.26),rgba(0,0,0,.07) 35%,transparent 60%);background-attachment:local,scroll;background-color:#fff;background-repeat:no-repeat;background-size:100% 2rem,100% 1rem;box-shadow:inset 0 .1rem 0 rgba(0,0,0,.07);overflow-y:auto;-webkit-overflow-scrolling:touch}.md-search-result__meta{padding:0 1.6rem;background-color:rgba(0,0,0,.07);color:rgba(0,0,0,.54);font-size:1.28rem;line-height:4rem}.md-search-result__list{margin:0;padding:0;border-top:.1rem solid rgba(0,0,0,.07);list-style:none}.md-search-result__item{box-shadow:0 -.1rem 0 rgba(0,0,0,.07)}.md-search-result__link{display:block;padding:0 1.6rem;-webkit-transition:background .25s;transition:background .25s;overflow:auto}.md-search-result__link:hover{background-color:rgba(83,109,254,.1)}.md-search-result__article{margin:1em 0}.md-search-result__title{margin-top:.5em;margin-bottom:0;color:rgba(0,0,0,.87);font-size:1.6rem;font-weight:400;line-height:1.4}.md-search-result__teaser{margin:.5em 0;color:rgba(0,0,0,.54);font-size:1.28rem;line-height:1.4;word-break:break-word}.md-sidebar{position:relative;width:24.2rem;padding:2.4rem 0;float:left;overflow:visible}.md-sidebar[data-md-state=lock]{position:fixed;top:5.6rem;-webkit-backface-visibility:hidden;backface-visibility:hidden}.md-sidebar--secondary{display:none}.md-sidebar__scrollwrap{max-height:100%;margin:0 .4rem;overflow-y:auto}.md-sidebar__scrollwrap::-webkit-scrollbar{width:.4rem;height:.4rem}.md-sidebar__scrollwrap::-webkit-scrollbar-thumb{background-color:rgba(0,0,0,.26)}.md-sidebar__scrollwrap::-webkit-scrollbar-thumb:hover{background-color:#536dfe}@-webkit-keyframes a{0%{height:0}to{height:1.3rem}}@keyframes a{0%{height:0}to{height:1.3rem}}@-webkit-keyframes b{0%{-webkit-transform:translateY(100%);transform:translateY(100%);opacity:0}50%{opacity:0}to{-webkit-transform:translateY(0);transform:translateY(0);opacity:1}}@keyframes b{0%{-webkit-transform:translateY(100%);transform:translateY(100%);opacity:0}50%{opacity:0}to{-webkit-transform:translateY(0);transform:translateY(0);opacity:1}}.md-source{display:block;-webkit-transition:opacity .25s;transition:opacity .25s;font-size:1.3rem;line-height:1.2;white-space:nowrap}.md-source:hover{opacity:.7}.md-source:after,.md-source__icon{display:inline-block;height:4.8rem;content:"";vertical-align:middle}.md-source__icon{width:4.8rem}.md-source__icon svg{margin-top:1.2rem;margin-left:1.2rem}.md-source__icon+.md-source__repository{margin-left:-4.4rem;padding-left:4rem}.md-source__repository{display:inline-block;max-width:100%;margin-left:1.2rem;font-weight:700;text-overflow:ellipsis;overflow:hidden;vertical-align:middle}.md-source__facts{margin:0;padding:0;font-size:1.1rem;font-weight:700;list-style-type:none;opacity:.75;overflow:hidden}[data-md-state=done] .md-source__facts{-webkit-animation:a .25s ease-in;animation:a .25s ease-in}.md-source__fact{float:left}[data-md-state=done] .md-source__fact{-webkit-animation:b .4s ease-out;animation:b .4s ease-out}.md-source__fact:before{margin:0 .2rem;content:"\00B7"}.md-source__fact:first-child:before{display:none}.md-tabs{width:100%;background:#3f51b5;overflow-x:scroll;overflow-y:hidden}.md-tabs__list{margin:0;margin-left:.4rem;padding:0;list-style:none;white-space:nowrap}.md-tabs__item{display:inline-block;height:4.8rem;padding-right:1.2rem;padding-left:1.2rem}.md-tabs__link{display:block;margin-top:1.6rem;-webkit-transition:color .25s,opacity .1s,-webkit-transform .4s cubic-bezier(.1,.7,.1,1);transition:color .25s,opacity .1s,-webkit-transform .4s cubic-bezier(.1,.7,.1,1);transition:color .25s,transform .4s cubic-bezier(.1,.7,.1,1),opacity .1s;transition:color .25s,transform .4s cubic-bezier(.1,.7,.1,1),opacity .1s,-webkit-transform .4s cubic-bezier(.1,.7,.1,1);color:hsla(0,0%,100%,.7);font-size:1.4rem}.md-tabs__link--active,.md-tabs__link:hover{color:#fff}.md-tabs__item:nth-child(2) .md-tabs__link{-webkit-transition-delay:.02s;transition-delay:.02s}.md-tabs__item:nth-child(3) .md-tabs__link{-webkit-transition-delay:.04s;transition-delay:.04s}.md-tabs__item:nth-child(4) .md-tabs__link{-webkit-transition-delay:.06s;transition-delay:.06s}.md-tabs__item:nth-child(5) .md-tabs__link{-webkit-transition-delay:.08s;transition-delay:.08s}.md-tabs__item:nth-child(6) .md-tabs__link{-webkit-transition-delay:.1s;transition-delay:.1s}.md-tabs__item:nth-child(7) .md-tabs__link{-webkit-transition-delay:.12s;transition-delay:.12s}.md-tabs__item:nth-child(8) .md-tabs__link{-webkit-transition-delay:.14s;transition-delay:.14s}.md-tabs__item:nth-child(9) .md-tabs__link{-webkit-transition-delay:.16s;transition-delay:.16s}.md-tabs__item:nth-child(10) .md-tabs__link{-webkit-transition-delay:.18s;transition-delay:.18s}.md-tabs__item:nth-child(11) .md-tabs__link{-webkit-transition-delay:.2s;transition-delay:.2s}.md-tabs__item:nth-child(12) .md-tabs__link{-webkit-transition-delay:.22s;transition-delay:.22s}.md-tabs__item:nth-child(13) .md-tabs__link{-webkit-transition-delay:.24s;transition-delay:.24s}.md-tabs__item:nth-child(14) .md-tabs__link{-webkit-transition-delay:.26s;transition-delay:.26s}.md-tabs__item:nth-child(15) .md-tabs__link{-webkit-transition-delay:.28s;transition-delay:.28s}.md-tabs__item:nth-child(16) .md-tabs__link{-webkit-transition-delay:.3s;transition-delay:.3s}.md-tabs[data-md-state=hidden] .md-tabs__link{-webkit-transform:translateY(50%);transform:translateY(50%);-webkit-transition:none;transition:none;opacity:0}.admonition{position:relative;margin:1.5625em 0;padding:.8rem 1.2rem;border-left:3.2rem solid rgba(68,138,255,.4);border-radius:.2rem;background-color:rgba(68,138,255,.15);font-size:1.28rem}.admonition:before{position:absolute;left:-2.6rem;color:#fff;font-size:2rem;content:"edit";vertical-align:-.25em}.admonition :first-child{margin-top:0}.admonition :last-child{margin-bottom:0}.admonition.summary,.admonition.tldr{border-color:rgba(0,176,255,.4);background-color:rgba(0,176,255,.15)}.admonition.summary:before,.admonition.tldr:before{content:"subject"}.admonition.hint,.admonition.important,.admonition.tip{border-color:rgba(0,191,165,.4);background-color:rgba(0,191,165,.15)}.admonition.hint:before,.admonition.important:before,.admonition.tip:before{content:"whatshot"}.admonition.check,.admonition.done,.admonition.success{border-color:rgba(0,230,118,.4);background-color:rgba(0,230,118,.15)}.admonition.check:before,.admonition.done:before,.admonition.success:before{content:"done"}.admonition.attention,.admonition.caution,.admonition.warning{border-color:rgba(255,145,0,.4);background-color:rgba(255,145,0,.15)}.admonition.attention:before,.admonition.caution:before,.admonition.warning:before{content:"warning"}.admonition.fail,.admonition.failure,.admonition.missing{border-color:rgba(255,82,82,.4);background-color:rgba(255,82,82,.15)}.admonition.fail:before,.admonition.failure:before,.admonition.missing:before{content:"clear"}.admonition.danger,.admonition.error{border-color:rgba(255,23,68,.4);background-color:rgba(255,23,68,.15)}.admonition.danger:before,.admonition.error:before{content:"flash_on"}.admonition.bug{border-color:rgba(245,0,87,.4);background-color:rgba(245,0,87,.15)}.admonition.bug:before{content:"bug_report"}.admonition-title{font-weight:700}html .admonition-title{margin-bottom:0}html .admonition-title+*{margin-top:0}.codehilite .o,.codehilite .ow{color:inherit}.codehilite .ge{color:#000}.codehilite .gr{color:#a00}.codehilite .gh{color:#999}.codehilite .go{color:#888}.codehilite .gp{color:#555}.codehilite .gs{color:inherit}.codehilite .gu{color:#aaa}.codehilite .gt{color:#a00}.codehilite .gd{background-color:#fdd}.codehilite .gi{background-color:#dfd}.codehilite .k{color:#3b78e7}.codehilite .kc{color:#a71d5d}.codehilite .kd,.codehilite .kn{color:#3b78e7}.codehilite .kp{color:#a71d5d}.codehilite .kr,.codehilite .kt{color:#3e61a2}.codehilite .c,.codehilite .cm{color:#999}.codehilite .cp{color:#666}.codehilite .c1,.codehilite .ch,.codehilite .cs{color:#999}.codehilite .na,.codehilite .nb{color:#c2185b}.codehilite .bp{color:#3e61a2}.codehilite .nc{color:#c2185b}.codehilite .no{color:#3e61a2}.codehilite .nd,.codehilite .ni{color:#666}.codehilite .ne,.codehilite .nf{color:#c2185b}.codehilite .nl{color:#3b5179}.codehilite .nn{color:#ec407a}.codehilite .nt{color:#3b78e7}.codehilite .nv,.codehilite .vc,.codehilite .vg,.codehilite .vi{color:#3e61a2}.codehilite .nx{color:#ec407a}.codehilite .il,.codehilite .m,.codehilite .mf,.codehilite .mh,.codehilite .mi,.codehilite .mo{color:#e74c3c}.codehilite .s,.codehilite .sb,.codehilite .sc{color:#0d904f}.codehilite .sd{color:#999}.codehilite .s2{color:#0d904f}.codehilite .se,.codehilite .sh,.codehilite .si,.codehilite .sx{color:#183691}.codehilite .sr{color:#009926}.codehilite .s1,.codehilite .ss{color:#0d904f}.codehilite .err{color:#a61717}.codehilite .w{color:transparent}.codehilite .hll{display:block;margin:0 -1.2rem;padding:0 1.2rem;background-color:rgba(255,235,59,.5)}.md-typeset .codehilite{margin:1em 0;padding:1rem 1.2rem .8rem;border-radius:.2rem;background-color:hsla(0,0%,93%,.5);color:#37474f;line-height:1.4;overflow:auto;-webkit-overflow-scrolling:touch}.md-typeset .codehilite::-webkit-scrollbar{width:.4rem;height:.4rem}.md-typeset .codehilite::-webkit-scrollbar-thumb{background-color:rgba(0,0,0,.26)}.md-typeset .codehilite::-webkit-scrollbar-thumb:hover{background-color:#536dfe}.md-typeset .codehilite pre{display:inline-block;min-width:100%;margin:0;padding:0;background-color:transparent;overflow:visible;vertical-align:top}.md-typeset .codehilitetable{display:block;margin:1em 0;border-radius:.2em;font-size:1.6rem;overflow:hidden}.md-typeset .codehilitetable tbody,.md-typeset .codehilitetable td{display:block;padding:0}.md-typeset .codehilitetable tr{display:-webkit-box;display:-ms-flexbox;display:flex}.md-typeset .codehilitetable .codehilite,.md-typeset .codehilitetable .linenodiv{margin:0;border-radius:0}.md-typeset .codehilitetable .linenodiv{padding:1rem 1.2rem .8rem}.md-typeset .codehilitetable .linenodiv,.md-typeset .codehilitetable .linenodiv>pre{height:100%}.md-typeset .codehilitetable .linenos{background-color:rgba(0,0,0,.07);color:rgba(0,0,0,.26);-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.md-typeset .codehilitetable .linenos pre{margin:0;padding:0;background-color:transparent;color:inherit;text-align:right}.md-typeset .codehilitetable .code{-webkit-box-flex:1;-ms-flex:1;flex:1;overflow:hidden}.md-typeset>.codehilitetable{box-shadow:none}.md-typeset .footnote{color:rgba(0,0,0,.54);font-size:1.28rem}.md-typeset .footnote ol{margin-left:0}.md-typeset .footnote li{-webkit-transition:color .25s;transition:color .25s}.md-typeset .footnote li:before{display:block;height:0}.md-typeset .footnote li:target{color:rgba(0,0,0,.87)}.md-typeset .footnote li:target:before{margin-top:-9rem;padding-top:9rem;pointer-events:none}.md-typeset .footnote li :first-child{margin-top:0}.md-typeset .footnote li:hover .footnote-backref,.md-typeset .footnote li:target .footnote-backref{-webkit-transform:translateX(0);transform:translateX(0);opacity:1}.md-typeset .footnote li:hover .footnote-backref:hover,.md-typeset .footnote li:target .footnote-backref{color:#536dfe}.md-typeset .footnote-backref{display:inline-block;-webkit-transform:translateX(.5rem);transform:translateX(.5rem);-webkit-transition:color .25s,opacity .125s .125s,-webkit-transform .25s .125s;transition:color .25s,opacity .125s .125s,-webkit-transform .25s .125s;transition:transform .25s .125s,color .25s,opacity .125s .125s;transition:transform .25s .125s,color .25s,opacity .125s .125s,-webkit-transform .25s .125s;color:rgba(0,0,0,.26);font-size:0;opacity:0;vertical-align:text-bottom}.md-typeset .footnote-backref:before{font-size:1.6rem;content:"keyboard_return"}.md-typeset .headerlink{display:inline-block;margin-left:1rem;-webkit-transform:translateY(.5rem);transform:translateY(.5rem);-webkit-transition:color .25s,opacity .125s .25s,-webkit-transform .25s .25s;transition:color .25s,opacity .125s .25s,-webkit-transform .25s .25s;transition:transform .25s .25s,color .25s,opacity .125s .25s;transition:transform .25s .25s,color .25s,opacity .125s .25s,-webkit-transform .25s .25s;opacity:0}html body .md-typeset .headerlink{color:rgba(0,0,0,.26)}.md-typeset [id]:before{display:inline-block;content:""}.md-typeset [id]:target:before{margin-top:-9.8rem;padding-top:9.8rem}.md-typeset [id] .headerlink:focus,.md-typeset [id]:hover .headerlink,.md-typeset [id]:target .headerlink{-webkit-transform:translate(0);transform:translate(0);opacity:1}.md-typeset [id] .headerlink:focus,.md-typeset [id]:hover .headerlink:hover,.md-typeset [id]:target .headerlink{color:#536dfe}.md-typeset h1[id]{padding-top:.8rem}.md-typeset h1[id] .headerlink{display:none}.md-typeset h2[id]:before{display:block;margin-top:-.4rem;padding-top:.4rem}.md-typeset h2[id]:target:before{margin-top:-8.4rem;padding-top:8.4rem}.md-typeset h3[id]:before{display:block;margin-top:-.7rem;padding-top:.7rem}.md-typeset h3[id]:target:before{margin-top:-8.7rem;padding-top:8.7rem}.md-typeset h4[id]:before{display:block;margin-top:-.8rem;padding-top:.8rem}.md-typeset h4[id]:target:before{margin-top:-8.8rem;padding-top:8.8rem}.md-typeset h5[id]:before{display:block;margin-top:-1.1rem;padding-top:1.1rem}.md-typeset h5[id]:target:before{margin-top:-9.1rem;padding-top:9.1rem}.md-typeset h6[id]:before{display:block;margin-top:-1.1rem;padding-top:1.1rem}.md-typeset h6[id]:target:before{margin-top:-9.1rem;padding-top:9.1rem}.md-typeset .MJXc-display{margin:.75em 0;padding:.25em 0;overflow:auto;-webkit-overflow-scrolling:touch}.md-typeset .MathJax_CHTML{outline:0}.md-typeset .comment.critic,.md-typeset del.critic,.md-typeset ins.critic{margin:0 .25em;padding:.0625em 0;border-radius:.2rem;-webkit-box-decoration-break:clone;box-decoration-break:clone}.md-typeset del.critic{background-color:#fdd;box-shadow:.25em 0 0 #fdd,-.25em 0 0 #fdd}.md-typeset ins.critic{background-color:#dfd;box-shadow:.25em 0 0 #dfd,-.25em 0 0 #dfd}.md-typeset .critic.comment{background-color:hsla(0,0%,93%,.5);color:#37474f;box-shadow:.25em 0 0 hsla(0,0%,93%,.5),-.25em 0 0 hsla(0,0%,93%,.5)}.md-typeset .critic.comment:before{padding-right:.125em;color:rgba(0,0,0,.26);content:"chat";vertical-align:-.125em}.md-typeset .critic.block{display:block;margin:1em 0;padding-right:1.6rem;padding-left:1.6rem;box-shadow:none}.md-typeset .critic.block :first-child{margin-top:.5em}.md-typeset .critic.block :last-child{margin-bottom:.5em}.md-typeset .emojione{width:2rem;vertical-align:text-top}.md-typeset code.codehilite{margin:0 .29412em;padding:.07353em 0}.md-typeset .task-list-item{position:relative;list-style-type:none}.md-typeset .task-list-item [type=checkbox]{position:absolute;top:.45em;left:-2em}.md-typeset .task-list-control .task-list-indicator:before{position:absolute;top:.05em;left:-1.25em;color:rgba(0,0,0,.26);font-size:1.5em;content:"check_box_outline_blank";vertical-align:-.25em}.md-typeset .task-list-control [type=checkbox]:checked+.task-list-indicator:before{content:"check_box"}.md-typeset .task-list-control [type=checkbox]{opacity:0;z-index:-1}.md-nav--primary>.md-nav__list>.md-nav__item>.md-nav__link{display:none}.md-nav--primary>.md-nav__list>.md-nav__item--nested>.md-nav__toggle:checked~.md-nav__link{display:block;margin-top:0;padding-top:1.2rem;font-weight:700;cursor:text;pointer-events:none}.md-nav--primary>.md-nav__list>.md-nav__item--nested>.md-nav__toggle:checked~.md-nav__link:after{display:none}.md-nav--primary>.md-nav__list>.md-nav__item--nested>.md-nav__toggle:checked~.md-nav{margin-left:-1.2rem}@media print{.md-typeset a:after{color:rgba(0,0,0,.54);content:" [" attr(href) "]"}.md-typeset code{box-shadow:none;-webkit-box-decoration-break:initial;box-decoration-break:slice}.md-content__edit,.md-footer,.md-header,.md-sidebar,.md-typeset .headerlink{display:none}}@media only screen and (max-width:44.9375em){.md-typeset pre{margin:1em -1.6rem;padding:1rem 1.6rem;border-radius:0}.codehilite .hll{margin:0 -1.6rem;padding:0 1.6rem}.md-typeset>.codehilite{padding:1rem 1.6rem .8rem}.md-typeset>.codehilite,.md-typeset>.codehilitetable{margin:1em -1.6rem;border-radius:0}.md-typeset>.codehilitetable .codehilite,.md-typeset>.codehilitetable .linenodiv{padding:1rem 1.6rem}.md-typeset>p>.MJXc-display{margin:.75em -1.6rem;padding:.25em 1.6rem}}@media only screen and (min-width:100em){html{font-size:68.75%}}@media only screen and (min-width:125em){html{font-size:75%}}@media only screen and (max-width:59.9375em){body[data-md-state=lock]{overflow:hidden}.ios body[data-md-state=lock] .md-container{display:none}.md-content__edit{margin-right:-.8rem}.md-nav--secondary{border-left:0}html .md-nav__link[for=toc]{display:block;padding-right:4.8rem}html .md-nav__link[for=toc]:after{color:inherit;content:"toc"}html .md-nav__link[for=toc]+.md-nav__link{display:none}html .md-nav__link[for=toc]~.md-nav{display:-webkit-box;display:-ms-flexbox;display:flex}.md-nav__source{display:block;padding:.4rem;background-color:rgba(50,64,144,.9675);color:#fff}.md-search__overlay{display:block;position:absolute;top:.4rem;left:.4rem;width:4rem;height:4rem;-webkit-transform-origin:center;transform-origin:center;-webkit-transition:opacity .2s .2s,-webkit-transform .3s .1s;transition:opacity .2s .2s,-webkit-transform .3s .1s;transition:transform .3s .1s,opacity .2s .2s;transition:transform .3s .1s,opacity .2s .2s,-webkit-transform .3s .1s;border-radius:2rem;background-color:#fff;opacity:0;overflow:hidden;z-index:1}[data-md-toggle=search]:checked~.md-header .md-search__overlay{-webkit-transition:opacity .1s,-webkit-transform .4s;transition:opacity .1s,-webkit-transform .4s;transition:transform .4s,opacity .1s;transition:transform .4s,opacity .1s,-webkit-transform .4s;opacity:1}.md-search__inner{position:fixed;top:0;left:100%;height:100%;-webkit-transform:translateX(5%);transform:translateX(5%);-webkit-transition:left 0s .3s,opacity .15s .15s,-webkit-transform .15s cubic-bezier(.4,0,.2,1) .15s;transition:left 0s .3s,opacity .15s .15s,-webkit-transform .15s cubic-bezier(.4,0,.2,1) .15s;transition:left 0s .3s,transform .15s cubic-bezier(.4,0,.2,1) .15s,opacity .15s .15s;transition:left 0s .3s,transform .15s cubic-bezier(.4,0,.2,1) .15s,opacity .15s .15s,-webkit-transform .15s cubic-bezier(.4,0,.2,1) .15s;opacity:0;z-index:2}[data-md-toggle=search]:checked~.md-header .md-search__inner{left:0;-webkit-transform:translateX(0);transform:translateX(0);-webkit-transition:left 0s 0s,opacity .15s .15s,-webkit-transform .15s cubic-bezier(.1,.7,.1,1) .15s;transition:left 0s 0s,opacity .15s .15s,-webkit-transform .15s cubic-bezier(.1,.7,.1,1) .15s;transition:left 0s 0s,transform .15s cubic-bezier(.1,.7,.1,1) .15s,opacity .15s .15s;transition:left 0s 0s,transform .15s cubic-bezier(.1,.7,.1,1) .15s,opacity .15s .15s,-webkit-transform .15s cubic-bezier(.1,.7,.1,1) .15s;opacity:1}.md-search__input{width:100%;height:5.6rem;font-size:1.8rem}.md-search__icon{top:1.6rem;left:1.6rem}.md-search__icon:before{content:"arrow_back"}.md-search__output{top:5.6rem;bottom:0}}@media only screen and (max-width:76.1875em){[data-md-toggle=drawer]:checked~.md-overlay{width:100%;height:100%;-webkit-transition:width 0s,height 0s,opacity .25s;transition:width 0s,height 0s,opacity .25s;opacity:1}.md-header-nav__button.md-icon--home,.md-header-nav__button.md-logo{display:none}.md-nav--primary,.md-nav--primary .md-nav{display:-webkit-box;display:-ms-flexbox;display:flex;position:absolute;top:0;right:0;left:0;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;height:100%;z-index:1}.md-nav--primary{background-color:#fff}.md-nav--primary .md-nav__toggle~.md-nav{box-shadow:0 4px 5px 0 rgba(0,0,0,.14),0 1px 10px 0 rgba(0,0,0,.12),0 2px 4px -1px rgba(0,0,0,.4);background-color:#fff}.md-nav--primary .md-nav__item,.md-nav--primary .md-nav__title{font-size:1.6rem;line-height:1.5}html .md-nav--primary .md-nav__title{position:relative;height:11.2rem;padding:6rem 1.6rem .4rem;background-color:rgba(0,0,0,.07);color:rgba(0,0,0,.54);font-weight:400;line-height:4.8rem;white-space:nowrap;cursor:pointer}html .md-nav--primary .md-nav__title:before{display:block;position:absolute;top:.4rem;left:.4rem;width:4rem;height:4rem;color:rgba(0,0,0,.54)}html .md-nav--primary .md-nav__title~.md-nav__list{background:-webkit-linear-gradient(top,#fff 10%,hsla(0,0%,100%,0)),-webkit-linear-gradient(top,rgba(0,0,0,.26),rgba(0,0,0,.07) 35%,transparent 60%);background:linear-gradient(180deg,#fff 10%,hsla(0,0%,100%,0)),linear-gradient(180deg,rgba(0,0,0,.26),rgba(0,0,0,.07) 35%,transparent 60%);background-attachment:local,scroll;background-color:#fff;background-repeat:no-repeat;background-size:100% 2rem,100% 1rem;box-shadow:inset 0 .1rem 0 rgba(0,0,0,.07)}html .md-nav--primary .md-nav__title~.md-nav__list>.md-nav__item:first-child{border-top:0}html .md-nav--primary .md-nav__title--site{position:relative;background-color:#3f51b5;color:#fff}html .md-nav--primary .md-nav__title--site .md-nav__button{display:block;position:absolute;top:.4rem;left:.4rem;width:6.4rem;height:6.4rem;font-size:4.8rem}html .md-nav--primary .md-nav__title--site:before{display:none}.md-nav--primary .md-nav__list{-webkit-box-flex:1;-ms-flex:1;flex:1;overflow-y:auto}.md-nav--primary .md-nav__item{padding:0;border-top:.1rem solid rgba(0,0,0,.07)}.md-nav--primary .md-nav__item--nested>.md-nav__link{padding-right:4.8rem}.md-nav--primary .md-nav__item--nested>.md-nav__link:after{content:"keyboard_arrow_right"}.md-nav--primary .md-nav__link{position:relative;margin-top:0;padding:1.6rem}.md-nav--primary .md-nav__link:after{position:absolute;top:50%;right:1.2rem;margin-top:-1.2rem;color:rgba(0,0,0,.54);font-size:2.4rem}.md-nav--primary .md-nav__link:hover:after{color:inherit}.md-nav--primary .md-nav--secondary .md-nav{position:static}.md-nav--primary .md-nav--secondary .md-nav .md-nav__link{padding-left:2.8rem}.md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav__link{padding-left:4rem}.md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav .md-nav__link{padding-left:5.2rem}.md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav .md-nav .md-nav__link{padding-left:6.4rem}.md-nav__toggle~.md-nav{display:none}.csstransforms3d .md-nav__toggle~.md-nav{-webkit-transform:translateX(100%);transform:translateX(100%);-webkit-transition:opacity .125s .05s,-webkit-transform .25s cubic-bezier(.8,0,.6,1);transition:opacity .125s .05s,-webkit-transform .25s cubic-bezier(.8,0,.6,1);transition:transform .25s cubic-bezier(.8,0,.6,1),opacity .125s .05s;transition:transform .25s cubic-bezier(.8,0,.6,1),opacity .125s .05s,-webkit-transform .25s cubic-bezier(.8,0,.6,1);opacity:0}.csstransforms3d .md-nav__toggle~.md-nav,.md-nav__toggle:checked~.md-nav{display:-webkit-box;display:-ms-flexbox;display:flex}.csstransforms3d .md-nav__toggle:checked~.md-nav{-webkit-transform:translateX(0);transform:translateX(0);-webkit-transition:opacity .125s .125s,-webkit-transform .25s cubic-bezier(.4,0,.2,1);transition:opacity .125s .125s,-webkit-transform .25s cubic-bezier(.4,0,.2,1);transition:transform .25s cubic-bezier(.4,0,.2,1),opacity .125s .125s;transition:transform .25s cubic-bezier(.4,0,.2,1),opacity .125s .125s,-webkit-transform .25s cubic-bezier(.4,0,.2,1);opacity:1}.md-sidebar--primary{position:fixed;top:0;left:-24.2rem;width:24.2rem;height:100%;-webkit-transform:translateX(0);transform:translateX(0);-webkit-transition:box-shadow .25s,-webkit-transform .25s cubic-bezier(.4,0,.2,1);transition:box-shadow .25s,-webkit-transform .25s cubic-bezier(.4,0,.2,1);transition:transform .25s cubic-bezier(.4,0,.2,1),box-shadow .25s;transition:transform .25s cubic-bezier(.4,0,.2,1),box-shadow .25s,-webkit-transform .25s cubic-bezier(.4,0,.2,1);background-color:#fff;z-index:2}.no-csstransforms3d .md-sidebar--primary{display:none}[data-md-toggle=drawer]:checked~.md-container .md-sidebar--primary{box-shadow:0 8px 10px 1px rgba(0,0,0,.14),0 3px 14px 2px rgba(0,0,0,.12),0 5px 5px -3px rgba(0,0,0,.4);-webkit-transform:translateX(24.2rem);transform:translateX(24.2rem)}.no-csstransforms3d [data-md-toggle=drawer]:checked~.md-container .md-sidebar--primary{display:block}.md-sidebar--primary .md-sidebar__scrollwrap{overflow:hidden;position:absolute;top:0;right:0;bottom:0;left:0;margin:0}.md-tabs{display:none}}@media only screen and (min-width:60em){.md-content{margin-right:24.2rem}.md-header-nav__button.md-icon--search{display:none}.md-header-nav__source{display:block;width:23rem;max-width:23rem;padding-right:1.2rem}.md-search{margin-right:2.8rem;padding:.4rem}.md-search__inner{display:table;position:relative;clear:both}.md-search__form{width:23rem;float:right;-webkit-transition:width .25s cubic-bezier(.1,.7,.1,1);transition:width .25s cubic-bezier(.1,.7,.1,1);border-radius:.2rem}.md-search__input{width:100%;height:4rem;padding-left:4.8rem;-webkit-transition:background-color .25s,color .25s;transition:background-color .25s,color .25s;border-radius:.2rem;background-color:rgba(0,0,0,.26);color:#fff;font-size:1.6rem}.md-search__input+.md-search__icon,.md-search__input::-webkit-input-placeholder{-webkit-transition:color .25s;transition:color .25s;color:#fff}.md-search__input+.md-search__icon,.md-search__input::-moz-placeholder{-webkit-transition:color .25s;transition:color .25s;color:#fff}.md-search__input+.md-search__icon,.md-search__input:-ms-input-placeholder{-webkit-transition:color .25s;transition:color .25s;color:#fff}.md-search__input+.md-search__icon,.md-search__input::placeholder{-webkit-transition:color .25s;transition:color .25s;color:#fff}.md-search__input:hover{background-color:hsla(0,0%,100%,.12)}[data-md-toggle=search]:checked~.md-header .md-search__input{border-radius:.2rem .2rem 0 0;background-color:#fff;color:rgba(0,0,0,.87);text-overflow:none}[data-md-toggle=search]:checked~.md-header .md-search__input+.md-search__icon,[data-md-toggle=search]:checked~.md-header .md-search__input::-webkit-input-placeholder{color:rgba(0,0,0,.54)}[data-md-toggle=search]:checked~.md-header .md-search__input+.md-search__icon,[data-md-toggle=search]:checked~.md-header .md-search__input::-moz-placeholder{color:rgba(0,0,0,.54)}[data-md-toggle=search]:checked~.md-header .md-search__input+.md-search__icon,[data-md-toggle=search]:checked~.md-header .md-search__input:-ms-input-placeholder{color:rgba(0,0,0,.54)}[data-md-toggle=search]:checked~.md-header .md-search__input+.md-search__icon,[data-md-toggle=search]:checked~.md-header .md-search__input::placeholder{color:rgba(0,0,0,.54)}.md-search__output{top:4rem;-webkit-transition:opacity .4s;transition:opacity .4s;opacity:0}[data-md-toggle=search]:checked~.md-header .md-search__output{box-shadow:0 6px 10px 0 rgba(0,0,0,.14),0 1px 18px 0 rgba(0,0,0,.12),0 3px 5px -1px rgba(0,0,0,.4);opacity:1}.md-search__scrollwrap{max-height:0}[data-md-toggle=search]:checked~.md-header .md-search__scrollwrap{max-height:75vh}.md-search__scrollwrap::-webkit-scrollbar{width:.4rem;height:.4rem}.md-search__scrollwrap::-webkit-scrollbar-thumb{background-color:rgba(0,0,0,.26)}.md-search__scrollwrap::-webkit-scrollbar-thumb:hover{background-color:#536dfe}.md-search-result__link,.md-search-result__meta{padding-left:4.8rem}.md-sidebar--secondary{display:block;float:right}.md-sidebar--secondary[data-md-state=lock]{margin-left:100%;-webkit-transform:translate(-100%);transform:translate(-100%)}}@media only screen and (min-width:76.25em){.md-content{margin-left:24.2rem;overflow:auto}.md-content__inner{margin:2.4rem}.md-content__inner :last-child{margin-bottom:0}.md-header{box-shadow:none}.md-header[data-md-state=shadow]{box-shadow:0 3px 4px 0 rgba(0,0,0,.14),0 1px 8px 0 rgba(0,0,0,.12),0 3px 3px -2px rgba(0,0,0,.4)}.md-header-nav__button.md-icon--menu{display:none}.md-nav[data-md-state=animate]{-webkit-transition:max-height .25s cubic-bezier(.86,0,.07,1);transition:max-height .25s cubic-bezier(.86,0,.07,1)}.md-nav__toggle~.md-nav{max-height:0;overflow:hidden}.md-nav[data-md-state=expand],.md-nav__toggle:checked~.md-nav{max-height:100%}.md-nav__item--nested>.md-nav>.md-nav__title{display:none}.md-nav__item--nested>.md-nav__link:after{display:inline-block;-webkit-transform-origin:.45em .45em;transform-origin:.45em .45em;-webkit-transform-style:preserve-3d;transform-style:preserve-3d;vertical-align:-.125em}.js .md-nav__item--nested>.md-nav__link:after{-webkit-transition:-webkit-transform .4s;transition:-webkit-transform .4s;transition:transform .4s;transition:transform .4s,-webkit-transform .4s}.md-nav__item--nested .md-nav__toggle:checked~.md-nav__link:after{-webkit-transform:rotateX(180deg);transform:rotateX(180deg)}.md-search__scrollwrap,[data-md-toggle=search]:checked~.md-header .md-search__form{width:68.8rem}.md-sidebar__inner{border-right:.1rem solid rgba(0,0,0,.07)}}@media only screen and (max-width:29.9375em){.md-footer-nav__link--prev .md-footer-nav__title,.md-header-nav__parent{display:none}[data-md-toggle=search]:checked~.md-header .md-search__overlay{-webkit-transform:scale(45);transform:scale(45)}}@media only screen and (min-width:30em){.md-footer-nav__link{width:50%}}@media only screen and (min-width:45em){.md-footer-copyright{max-width:75%;float:left}.md-footer-social{padding:1.2rem 0;float:right}}@media only screen and (min-width:30em) and (max-width:44.9375em){[data-md-toggle=search]:checked~.md-header .md-search__overlay{-webkit-transform:scale(60);transform:scale(60)}}@media only screen and (min-width:45em) and (max-width:59.9375em){[data-md-toggle=search]:checked~.md-header .md-search__overlay{-webkit-transform:scale(75);transform:scale(75)}}@media only screen and (min-width:60em) and (max-width:76.1875em){.md-search__scrollwrap,[data-md-toggle=search]:checked~.md-header .md-search__form{width:46.8rem}}@media only screen and (min-width:60em) and (min-width:76.25em){.md-sidebar--secondary[data-md-state=lock]{margin-left:122rem}}
\ No newline at end of file
diff --git a/material/assets/stylesheets/application-5bd62fe5d3.css b/material/assets/stylesheets/application-5bd62fe5d3.css
deleted file mode 100644
index 4489a8154..000000000
--- a/material/assets/stylesheets/application-5bd62fe5d3.css
+++ /dev/null
@@ -1 +0,0 @@
-html{box-sizing:border-box}*,:after,:before{box-sizing:inherit}html{-webkit-text-size-adjust:none;-ms-text-size-adjust:none;text-size-adjust:none}body{margin:0}hr{overflow:visible;box-sizing:content-box}a{-webkit-text-decoration-skip:objects}a,button,input,label{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}a:active,a:hover{outline-width:0}small,sub,sup{font-size:80%}sub,sup{position:relative;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}img{border-style:none}table{border-collapse:collapse;border-spacing:0}td,th{font-weight:400;vertical-align:top}button{padding:0;background:transparent;font-size:inherit}button,input{border:0;outline:0}.admonition:before,.md-icon,.md-nav__button,.md-nav__link:after,.md-nav__title:before,.md-typeset .critic.comment:before,.md-typeset .footnote-backref,.md-typeset .task-list-control .task-list-indicator:before{font-family:Material Icons;font-style:normal;font-variant:normal;font-weight:400;line-height:1;text-transform:none;white-space:nowrap;speak:none;word-wrap:normal;direction:ltr}.md-content__edit,.md-footer-nav__button,.md-header-nav__button,.md-nav__button,.md-nav__title:before{display:inline-block;margin:.4rem;padding:.8rem;font-size:2.4rem;cursor:pointer}.md-icon--arrow-back:before{content:"arrow_back"}.md-icon--arrow-forward:before{content:"arrow_forward"}.md-icon--menu:before{content:"menu"}.md-icon--search:before{content:"search"}.md-icon--home:before{content:"school"}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body,input{color:rgba(0,0,0,.87);-webkit-font-feature-settings:"kern","onum","liga";font-feature-settings:"kern","onum","liga";font-weight:400}.no-fontface body,.no-fontface input{font-family:Helvetica Neue,Helvetica,Arial,sans-serif}code,kbd,pre{color:rgba(0,0,0,.87);-webkit-font-feature-settings:"kern","onum","liga";font-feature-settings:"kern","onum","liga";font-weight:400}.no-fontface code,.no-fontface kbd,.no-fontface pre{font-family:Courier New,Courier,monospace}.md-typeset{font-size:1.6rem;line-height:1.6;-webkit-print-color-adjust:exact}.md-typeset blockquote,.md-typeset ol,.md-typeset p,.md-typeset ul{margin:1em 0}.md-typeset h1{margin:0 0 4rem;color:rgba(0,0,0,.54);font-size:3.125rem;line-height:1.3}.md-typeset h1,.md-typeset h2{font-weight:300;letter-spacing:-.01em}.md-typeset h2{margin:4rem 0 1.6rem;font-size:2.5rem;line-height:1.4}.md-typeset h3{margin:3.2rem 0 1.6rem;font-size:2rem;font-weight:400;letter-spacing:-.01em;line-height:1.5}.md-typeset h2+h3{margin-top:1.6rem}.md-typeset h4{font-size:1.6rem}.md-typeset h4,.md-typeset h5,.md-typeset h6{margin:1.6rem 0;font-weight:700;letter-spacing:-.01em}.md-typeset h5,.md-typeset h6{color:rgba(0,0,0,.54);font-size:1.28rem}.md-typeset h5{text-transform:uppercase}.md-typeset hr{margin:1.5em 0;border-bottom:.1rem dotted rgba(0,0,0,.26)}.md-typeset a{color:#3f51b5;word-break:break-word}.md-typeset a,.md-typeset a:before{-webkit-transition:color .125s;transition:color .125s}.md-typeset a:active,.md-typeset a:hover{color:#536dfe}.md-typeset code,.md-typeset pre{background-color:hsla(0,0%,93%,.5);color:#37474f;font-size:85%}.md-typeset code{margin:0 .29412em;padding:.07353em 0;border-radius:.2rem;box-shadow:.29412em 0 0 hsla(0,0%,93%,.5),-.29412em 0 0 hsla(0,0%,93%,.5);word-break:break-word;-webkit-box-decoration-break:clone;box-decoration-break:clone}.md-typeset h1 code,.md-typeset h2 code,.md-typeset h3 code,.md-typeset h4 code,.md-typeset h5 code,.md-typeset h6 code{margin:0;background-color:transparent;box-shadow:none}.md-typeset a>code{margin:inherit;padding:inherit;border-radius:none;background-color:inherit;color:inherit;box-shadow:none}.md-typeset pre{margin:1em 0;padding:1rem 1.2rem;border-radius:.2rem;line-height:1.4;overflow:auto;-webkit-overflow-scrolling:touch}.md-typeset pre::-webkit-scrollbar{width:.4rem;height:.4rem}.md-typeset pre::-webkit-scrollbar-thumb{background-color:rgba(0,0,0,.26)}.md-typeset pre::-webkit-scrollbar-thumb:hover{background-color:#536dfe}.md-typeset pre>code{margin:0;background-color:transparent;font-size:inherit;box-shadow:none;-webkit-box-decoration-break:none;box-decoration-break:none}.md-typeset kbd{padding:0 .29412em;border:.1rem solid #c9c9c9;border-radius:.2rem;border-bottom-color:#bcbcbc;background-color:#fcfcfc;color:#555;font-size:85%;box-shadow:0 .1rem 0 #b0b0b0;word-break:break-word}.md-typeset mark{margin:0 .25em;padding:.0625em 0;border-radius:.2rem;background-color:rgba(255,235,59,.5);box-shadow:.25em 0 0 rgba(255,235,59,.5),-.25em 0 0 rgba(255,235,59,.5);word-break:break-word;-webkit-box-decoration-break:clone;box-decoration-break:clone}.md-typeset abbr{border-bottom:.1rem dotted rgba(0,0,0,.54);cursor:help}.md-typeset small{opacity:.75}.md-typeset sub,.md-typeset sup{margin-left:.07812em}.md-typeset blockquote{padding-left:1.2rem;border-left:.4rem solid rgba(0,0,0,.26);color:rgba(0,0,0,.54)}.md-typeset ul{list-style-type:disc}.md-typeset ol,.md-typeset ul{margin-left:.625em;padding:0}.md-typeset ol ol,.md-typeset ul ol{list-style-type:lower-alpha}.md-typeset ol ol ol,.md-typeset ul ol ol{list-style-type:lower-roman}.md-typeset ol li,.md-typeset ul li{margin-bottom:.5em;margin-left:1.25em}.md-typeset ol li blockquote,.md-typeset ol li p,.md-typeset ul li blockquote,.md-typeset ul li p{margin:.5em 0}.md-typeset ol li:last-child,.md-typeset ul li:last-child{margin-bottom:0}.md-typeset ol li ol,.md-typeset ol li ul,.md-typeset ul li ol,.md-typeset ul li ul{margin:.5em 0 .5em .625em}.md-typeset iframe,.md-typeset img,.md-typeset svg{max-width:100%}.md-typeset table:not([class]){box-shadow:0 2px 2px 0 rgba(0,0,0,.14),0 1px 5px 0 rgba(0,0,0,.12),0 3px 1px -2px rgba(0,0,0,.2);margin:2em 0;border-radius:.2rem;font-size:1.28rem;overflow:hidden}.no-js .md-typeset table:not([class]){display:inline-block;max-width:100%;margin:.8em 0;overflow:auto;-webkit-overflow-scrolling:touch}.md-typeset table:not([class]) td:not([align]),.md-typeset table:not([class]) th:not([align]){text-align:left}.md-typeset table:not([class]) th{min-width:10rem;padding:1.2rem 1.6rem;background-color:rgba(0,0,0,.54);color:#fff;vertical-align:top}.md-typeset table:not([class]) td{padding:1.2rem 1.6rem;border-top:.1rem solid rgba(0,0,0,.07);vertical-align:top}.md-typeset table:not([class]) tr:first-child td{border-top:0}.md-typeset table:not([class]) a{word-break:normal}.md-typeset .md-typeset__table{margin:1.6em -1.6rem;overflow-x:auto;-webkit-overflow-scrolling:touch}.md-typeset .md-typeset__table table{display:inline-block;margin:0 1.6rem}html{font-size:62.5%}body,html{height:100%}body{position:relative}hr{display:block;height:.1rem;padding:0;border:0}.md-svg{display:none}.md-grid{max-width:122rem;margin-right:auto;margin-left:auto}.md-container,.md-main{overflow:auto}.md-container{display:table;width:100%;height:100%;padding-top:5.6rem;table-layout:fixed}.md-main{display:table-row;height:100%}.md-main__inner{padding-top:3rem;overflow:auto}.csscalc .md-main__inner{min-height:calc(100% - 2.6rem)}@-moz-document url-prefix(){.csscalc .md-main__inner{min-height:calc(100% - 5.6rem)}}.md-toggle{display:none}.md-overlay{position:fixed;top:0;width:0;height:0;-webkit-transition:width 0s .25s,height 0s .25s,opacity .25s;transition:width 0s .25s,height 0s .25s,opacity .25s;background-color:rgba(0,0,0,.54);opacity:0;z-index:2}.md-flex{display:table}.md-flex__cell{display:table-cell;position:relative;vertical-align:top}.md-flex__cell--shrink{width:0}.md-flex__cell--stretch{display:table;width:100%;table-layout:fixed}.md-flex__ellipsis{display:table-cell;text-overflow:ellipsis;white-space:nowrap;overflow:hidden}@page{margin:25mm}.md-content__inner{margin:2.4rem 1.6rem}.md-content__edit{float:right}.md-header{box-shadow:0 3px 4px 0 rgba(0,0,0,.14),0 1px 8px 0 rgba(0,0,0,.12),0 3px 3px -2px rgba(0,0,0,.4);position:fixed;top:0;right:0;left:0;height:5.6rem;-webkit-transition:background-color .25s;transition:background-color .25s;background-color:#3f51b5;color:#fff;z-index:1}.no-js .md-header{box-shadow:0 2px 2px 0 rgba(0,0,0,.14),0 1px 5px 0 rgba(0,0,0,.12),0 3px 1px -2px rgba(0,0,0,.2)}.md-header-nav{padding:.4rem}.md-header-nav__button{position:relative;-webkit-transition:opacity .25s;transition:opacity .25s;z-index:1}.md-header-nav__button:hover{opacity:.7}.md-header-nav__button.md-logo img{display:block}.no-js .md-header-nav__button.md-icon--search{display:none}.md-header-nav__title{padding:0 2rem;font-size:1.8rem;line-height:4.8rem}.md-header-nav__parent{color:hsla(0,0%,100%,.7)}.md-header-nav__parent:after{display:inline;color:hsla(0,0%,100%,.3);content:"/"}.md-header-nav__source{display:none}.md-footer-nav{background-color:rgba(0,0,0,.87);color:#fff}.md-footer-nav__inner{padding:.4rem;overflow:auto}.md-footer-nav__link{padding-top:2.8rem;padding-bottom:.8rem;-webkit-transition:opacity .25s;transition:opacity .25s}.md-footer-nav__link:hover{opacity:.7}.md-footer-nav__link--prev{width:25%;float:left}.md-footer-nav__link--next{width:75%;float:right;text-align:right}.md-footer-nav__button{-webkit-transition:background .25s;transition:background .25s}.md-footer-nav__title{position:relative;padding:0 2rem;font-size:1.8rem;line-height:4.8rem}.md-footer-nav__direction{position:absolute;right:0;left:0;margin-top:-2rem;padding:0 2rem;color:hsla(0,0%,100%,.7);font-size:1.5rem}.md-footer-meta{background:rgba(0,0,0,.895)}.md-footer-meta__inner{padding:.4rem;overflow:auto}html .md-footer-meta.md-typeset a{color:hsla(0,0%,100%,.7)}.md-footer-copyright{margin:0 1.2rem;padding:.8rem 0;color:hsla(0,0%,100%,.3);font-size:1.28rem}.md-footer-copyright__highlight{color:hsla(0,0%,100%,.7)}.md-footer-social{margin:0 .8rem;padding:.4rem 0 1.2rem}.md-footer-social__link{display:inline-block;width:3.2rem;height:3.2rem;border:.1rem solid hsla(0,0%,100%,.12);border-radius:100%;color:hsla(0,0%,100%,.7);font-size:1.6rem;text-align:center}.md-footer-social__link:before{line-height:1.9}.md-nav{font-size:1.4rem;line-height:1.3}.md-nav--secondary{-webkit-transition:border-left .25s;transition:border-left .25s;border-left:.4rem solid #3f51b5}.md-nav__title{display:block;padding:1.2rem 1.2rem 0;font-weight:700;text-overflow:ellipsis;overflow:hidden}.md-nav__title:before{display:none;content:"arrow_back"}.md-nav__title .md-nav__button{display:none}.md-nav__list{margin:0;padding:0;list-style:none}.md-nav__item{padding:.625em 1.2rem 0}.md-nav__item:last-child{padding-bottom:1.2rem}.md-nav__item .md-nav__item{padding-right:0}.md-nav__item .md-nav__item:last-child{padding-bottom:0}.md-nav__button img{width:100%;height:auto}.md-nav__link{display:block;-webkit-transition:color .125s;transition:color .125s;text-overflow:ellipsis;cursor:pointer;overflow:hidden}.md-nav__item--nested>.md-nav__link:after{content:"keyboard_arrow_down"}html .md-nav__link[for=toc],html .md-nav__link[for=toc]+.md-nav__link:after,html .md-nav__link[for=toc]~.md-nav{display:none}.md-nav__link[data-md-state=blur]{color:rgba(0,0,0,.54)}.md-nav__link--active,.md-nav__link:active{color:#3f51b5}.md-nav__link:hover{color:#536dfe}.md-nav__source,.no-js .md-search{display:none}.md-search__overlay{display:none;pointer-events:none}.md-search__inner{width:100%}.md-search__form{position:relative}.md-search__input{position:relative;padding:0 1.6rem 0 7.2rem;text-overflow:ellipsis;z-index:1}.md-search__input+.md-search__icon,.md-search__input::-webkit-input-placeholder{color:rgba(0,0,0,.54)}.md-search__input+.md-search__icon,.md-search__input::-moz-placeholder{color:rgba(0,0,0,.54)}.md-search__input+.md-search__icon,.md-search__input:-ms-input-placeholder{color:rgba(0,0,0,.54)}.md-search__input+.md-search__icon,.md-search__input::placeholder{color:rgba(0,0,0,.54)}.md-search__input::-ms-clear{display:none}.md-search__icon{position:absolute;top:.8rem;left:1.2rem;-webkit-transition:color .25s;transition:color .25s;font-size:2.4rem;cursor:pointer;z-index:1}.md-search__icon:before{content:"search"}.md-search__output{position:absolute;width:100%;border-radius:0 0 .2rem .2rem;overflow:hidden}.md-search__scrollwrap{height:100%;background:-webkit-linear-gradient(top,#fff 10%,hsla(0,0%,100%,0)),-webkit-linear-gradient(top,rgba(0,0,0,.26),rgba(0,0,0,.07) 35%,transparent 60%);background:linear-gradient(180deg,#fff 10%,hsla(0,0%,100%,0)),linear-gradient(180deg,rgba(0,0,0,.26),rgba(0,0,0,.07) 35%,transparent 60%);background-attachment:local,scroll;background-color:#fff;background-repeat:no-repeat;background-size:100% 2rem,100% 1rem;box-shadow:inset 0 .1rem 0 rgba(0,0,0,.07);overflow-y:auto;-webkit-overflow-scrolling:touch}.md-search-result__meta{padding:0 1.6rem;background-color:rgba(0,0,0,.07);color:rgba(0,0,0,.54);font-size:1.28rem;line-height:4rem}.md-search-result__list{margin:0;padding:0;border-top:.1rem solid rgba(0,0,0,.07);list-style:none}.md-search-result__item{box-shadow:0 -.1rem 0 rgba(0,0,0,.07)}.md-search-result__link{display:block;padding:0 1.6rem;-webkit-transition:background .25s;transition:background .25s;overflow:auto}.md-search-result__link:hover{background-color:rgba(83,109,254,.1)}.md-search-result__article{margin:1em 0}.md-search-result__title{margin-top:.5em;margin-bottom:0;color:rgba(0,0,0,.87);font-size:1.6rem;font-weight:400;line-height:1.4}.md-search-result__teaser{margin:.5em 0;color:rgba(0,0,0,.54);font-size:1.28rem;line-height:1.4;word-break:break-word}.md-sidebar{position:relative;width:24.2rem;padding:2.4rem 0;float:left;overflow:visible}.md-sidebar[data-md-state=lock]{position:fixed;top:5.6rem;-webkit-backface-visibility:hidden;backface-visibility:hidden}.md-sidebar--secondary{display:none}.md-sidebar__scrollwrap{max-height:100%;margin:0 .4rem;overflow-y:auto}.md-sidebar__scrollwrap::-webkit-scrollbar{width:.4rem;height:.4rem}.md-sidebar__scrollwrap::-webkit-scrollbar-thumb{background-color:rgba(0,0,0,.26)}.md-sidebar__scrollwrap::-webkit-scrollbar-thumb:hover{background-color:#536dfe}@-webkit-keyframes a{0%{height:0}to{height:1.3rem}}@keyframes a{0%{height:0}to{height:1.3rem}}@-webkit-keyframes b{0%{-webkit-transform:translateY(100%);transform:translateY(100%);opacity:0}50%{opacity:0}to{-webkit-transform:translateY(0);transform:translateY(0);opacity:1}}@keyframes b{0%{-webkit-transform:translateY(100%);transform:translateY(100%);opacity:0}50%{opacity:0}to{-webkit-transform:translateY(0);transform:translateY(0);opacity:1}}.md-source{display:block;-webkit-transition:opacity .25s;transition:opacity .25s;font-size:1.3rem;line-height:1.2;white-space:nowrap}.md-source:hover{opacity:.7}.md-source:after,.md-source__icon{display:inline-block;height:4.8rem;content:"";vertical-align:middle}.md-source__icon{width:4.8rem}.md-source__icon svg{margin-top:1.2rem;margin-left:1.2rem}.md-source__icon+.md-source__repository{margin-left:-4.4rem;padding-left:4rem}.md-source__repository{display:inline-block;max-width:100%;margin-left:1.2rem;font-weight:700;text-overflow:ellipsis;overflow:hidden;vertical-align:middle}.md-source__facts{margin:0;padding:0;font-size:1.1rem;font-weight:700;list-style-type:none;opacity:.75;overflow:hidden}[data-md-state=done] .md-source__facts{-webkit-animation:a .25s ease-in;animation:a .25s ease-in}.md-source__fact{float:left}[data-md-state=done] .md-source__fact{-webkit-animation:b .4s ease-out;animation:b .4s ease-out}.md-source__fact:before{margin:0 .2rem;content:"\00B7"}.md-source__fact:first-child:before{display:none}.md-tabs{width:100%;background:#3f51b5;overflow-x:scroll}.md-tabs__list{margin:0;margin-left:.4rem;padding:0;-webkit-transition:opacity .1s;transition:opacity .1s;list-style:none;white-space:nowrap}.md-tabs__item{display:inline-block}.md-tabs__link{display:block;padding-right:1.2rem;padding-left:1.2rem;-webkit-transition:color .25s,-webkit-transform .4s cubic-bezier(.1,.7,.1,1);transition:color .25s,-webkit-transform .4s cubic-bezier(.1,.7,.1,1);transition:color .25s,transform .4s cubic-bezier(.1,.7,.1,1);transition:color .25s,transform .4s cubic-bezier(.1,.7,.1,1),-webkit-transform .4s cubic-bezier(.1,.7,.1,1);color:hsla(0,0%,100%,.7);font-size:1.4rem;line-height:4.8rem}.md-tabs__link--active,.md-tabs__link:hover{color:#fff}.md-tabs[data-md-state=hidden] .md-tabs__link{-webkit-transform:translateY(10%);transform:translateY(10%);-webkit-transition:none;transition:none;opacity:0}.admonition{position:relative;margin:1.5625em 0;padding:.8rem 1.2rem;border-left:3.2rem solid rgba(68,138,255,.4);border-radius:.2rem;background-color:rgba(68,138,255,.15);font-size:1.28rem}.admonition:before{position:absolute;left:-2.6rem;color:#fff;font-size:2rem;content:"edit";vertical-align:-.25em}.admonition :first-child{margin-top:0}.admonition :last-child{margin-bottom:0}.admonition.summary,.admonition.tldr{border-color:rgba(0,176,255,.4);background-color:rgba(0,176,255,.15)}.admonition.summary:before,.admonition.tldr:before{content:"subject"}.admonition.hint,.admonition.important,.admonition.tip{border-color:rgba(0,191,165,.4);background-color:rgba(0,191,165,.15)}.admonition.hint:before,.admonition.important:before,.admonition.tip:before{content:"whatshot"}.admonition.check,.admonition.done,.admonition.success{border-color:rgba(0,230,118,.4);background-color:rgba(0,230,118,.15)}.admonition.check:before,.admonition.done:before,.admonition.success:before{content:"done"}.admonition.attention,.admonition.caution,.admonition.warning{border-color:rgba(255,145,0,.4);background-color:rgba(255,145,0,.15)}.admonition.attention:before,.admonition.caution:before,.admonition.warning:before{content:"warning"}.admonition.fail,.admonition.failure,.admonition.missing{border-color:rgba(255,82,82,.4);background-color:rgba(255,82,82,.15)}.admonition.fail:before,.admonition.failure:before,.admonition.missing:before{content:"clear"}.admonition.danger,.admonition.error{border-color:rgba(255,23,68,.4);background-color:rgba(255,23,68,.15)}.admonition.danger:before,.admonition.error:before{content:"flash_on"}.admonition.bug{border-color:rgba(245,0,87,.4);background-color:rgba(245,0,87,.15)}.admonition.bug:before{content:"bug_report"}.admonition-title{font-weight:700}html .admonition-title{margin-bottom:0}html .admonition-title+*{margin-top:0}.codehilite .o,.codehilite .ow{color:inherit}.codehilite .ge{color:#000}.codehilite .gr{color:#a00}.codehilite .gh{color:#999}.codehilite .go{color:#888}.codehilite .gp{color:#555}.codehilite .gs{color:inherit}.codehilite .gu{color:#aaa}.codehilite .gt{color:#a00}.codehilite .gd{background-color:#fdd}.codehilite .gi{background-color:#dfd}.codehilite .k{color:#3b78e7}.codehilite .kc{color:#a71d5d}.codehilite .kd,.codehilite .kn{color:#3b78e7}.codehilite .kp{color:#a71d5d}.codehilite .kr,.codehilite .kt{color:#3e61a2}.codehilite .c,.codehilite .cm{color:#999}.codehilite .cp{color:#666}.codehilite .c1,.codehilite .ch,.codehilite .cs{color:#999}.codehilite .na,.codehilite .nb{color:#c2185b}.codehilite .bp{color:#3e61a2}.codehilite .nc{color:#c2185b}.codehilite .no{color:#3e61a2}.codehilite .nd,.codehilite .ni{color:#666}.codehilite .ne,.codehilite .nf{color:#c2185b}.codehilite .nl{color:#3b5179}.codehilite .nn{color:#ec407a}.codehilite .nt{color:#3b78e7}.codehilite .nv,.codehilite .vc,.codehilite .vg,.codehilite .vi{color:#3e61a2}.codehilite .nx{color:#ec407a}.codehilite .il,.codehilite .m,.codehilite .mf,.codehilite .mh,.codehilite .mi,.codehilite .mo{color:#e74c3c}.codehilite .s,.codehilite .sb,.codehilite .sc{color:#0d904f}.codehilite .sd{color:#999}.codehilite .s2{color:#0d904f}.codehilite .se,.codehilite .sh,.codehilite .si,.codehilite .sx{color:#183691}.codehilite .sr{color:#009926}.codehilite .s1,.codehilite .ss{color:#0d904f}.codehilite .err{color:#a61717}.codehilite .w{color:transparent}.codehilite .hll{display:block;margin:0 -1.2rem;padding:0 1.2rem;background-color:rgba(255,235,59,.5)}.md-typeset .codehilite{margin:1em 0;padding:1rem 1.2rem .8rem;border-radius:.2rem;background-color:hsla(0,0%,93%,.5);color:#37474f;line-height:1.4;overflow:auto;-webkit-overflow-scrolling:touch}.md-typeset .codehilite::-webkit-scrollbar{width:.4rem;height:.4rem}.md-typeset .codehilite::-webkit-scrollbar-thumb{background-color:rgba(0,0,0,.26)}.md-typeset .codehilite::-webkit-scrollbar-thumb:hover{background-color:#536dfe}.md-typeset .codehilite pre{display:inline-block;min-width:100%;margin:0;padding:0;background-color:transparent;overflow:visible;vertical-align:top}.md-typeset .codehilitetable{display:block;margin:1em 0;border-radius:.2em;font-size:1.6rem;overflow:hidden}.md-typeset .codehilitetable tbody,.md-typeset .codehilitetable td{display:block;padding:0}.md-typeset .codehilitetable tr{display:-webkit-box;display:-ms-flexbox;display:flex}.md-typeset .codehilitetable .codehilite,.md-typeset .codehilitetable .linenodiv{margin:0;border-radius:0}.md-typeset .codehilitetable .linenodiv{padding:1rem 1.2rem .8rem}.md-typeset .codehilitetable .linenodiv,.md-typeset .codehilitetable .linenodiv>pre{height:100%}.md-typeset .codehilitetable .linenos{background-color:rgba(0,0,0,.07);color:rgba(0,0,0,.26);-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.md-typeset .codehilitetable .linenos pre{margin:0;padding:0;background-color:transparent;color:inherit;text-align:right}.md-typeset .codehilitetable .code{-webkit-box-flex:1;-ms-flex:1;flex:1;overflow:hidden}.md-typeset>.codehilitetable{box-shadow:none}.md-typeset .footnote{color:rgba(0,0,0,.54);font-size:1.28rem}.md-typeset .footnote ol{margin-left:0}.md-typeset .footnote li{-webkit-transition:color .25s;transition:color .25s}.md-typeset .footnote li:before{display:block;height:0}.md-typeset .footnote li:target{color:rgba(0,0,0,.87)}.md-typeset .footnote li:target:before{margin-top:-9rem;padding-top:9rem;pointer-events:none}.md-typeset .footnote li :first-child{margin-top:0}.md-typeset .footnote li:hover .footnote-backref,.md-typeset .footnote li:target .footnote-backref{-webkit-transform:translateX(0);transform:translateX(0);opacity:1}.md-typeset .footnote li:hover .footnote-backref:hover,.md-typeset .footnote li:target .footnote-backref{color:#536dfe}.md-typeset .footnote-backref{display:inline-block;-webkit-transform:translateX(.5rem);transform:translateX(.5rem);-webkit-transition:color .25s,opacity .125s .125s,-webkit-transform .25s .125s;transition:color .25s,opacity .125s .125s,-webkit-transform .25s .125s;transition:transform .25s .125s,color .25s,opacity .125s .125s;transition:transform .25s .125s,color .25s,opacity .125s .125s,-webkit-transform .25s .125s;color:rgba(0,0,0,.26);font-size:0;opacity:0;vertical-align:text-bottom}.md-typeset .footnote-backref:before{font-size:1.6rem;content:"keyboard_return"}.md-typeset .headerlink{display:inline-block;margin-left:1rem;-webkit-transform:translateY(.5rem);transform:translateY(.5rem);-webkit-transition:color .25s,opacity .125s .25s,-webkit-transform .25s .25s;transition:color .25s,opacity .125s .25s,-webkit-transform .25s .25s;transition:transform .25s .25s,color .25s,opacity .125s .25s;transition:transform .25s .25s,color .25s,opacity .125s .25s,-webkit-transform .25s .25s;opacity:0}html body .md-typeset .headerlink{color:rgba(0,0,0,.26)}.md-typeset [id]:before{display:inline-block;content:""}.md-typeset [id]:target:before{margin-top:-9.8rem;padding-top:9.8rem}.md-typeset [id] .headerlink:focus,.md-typeset [id]:hover .headerlink,.md-typeset [id]:target .headerlink{-webkit-transform:translate(0);transform:translate(0);opacity:1}.md-typeset [id] .headerlink:focus,.md-typeset [id]:hover .headerlink:hover,.md-typeset [id]:target .headerlink{color:#536dfe}.md-typeset h1[id]{padding-top:.8rem}.md-typeset h1[id] .headerlink{display:none}.md-typeset h2[id]:before{display:block;margin-top:-.4rem;padding-top:.4rem}.md-typeset h2[id]:target:before{margin-top:-8.4rem;padding-top:8.4rem}.md-typeset h3[id]:before{display:block;margin-top:-.7rem;padding-top:.7rem}.md-typeset h3[id]:target:before{margin-top:-8.7rem;padding-top:8.7rem}.md-typeset h4[id]:before{display:block;margin-top:-.8rem;padding-top:.8rem}.md-typeset h4[id]:target:before{margin-top:-8.8rem;padding-top:8.8rem}.md-typeset h5[id]:before{display:block;margin-top:-1.1rem;padding-top:1.1rem}.md-typeset h5[id]:target:before{margin-top:-9.1rem;padding-top:9.1rem}.md-typeset h6[id]:before{display:block;margin-top:-1.1rem;padding-top:1.1rem}.md-typeset h6[id]:target:before{margin-top:-9.1rem;padding-top:9.1rem}.md-typeset .MJXc-display{margin:.75em 0;padding:.25em 0;overflow:auto;-webkit-overflow-scrolling:touch}.md-typeset .MathJax_CHTML{outline:0}.md-typeset .comment.critic,.md-typeset del.critic,.md-typeset ins.critic{margin:0 .25em;padding:.0625em 0;border-radius:.2rem;-webkit-box-decoration-break:clone;box-decoration-break:clone}.md-typeset del.critic{background-color:#fdd;box-shadow:.25em 0 0 #fdd,-.25em 0 0 #fdd}.md-typeset ins.critic{background-color:#dfd;box-shadow:.25em 0 0 #dfd,-.25em 0 0 #dfd}.md-typeset .critic.comment{background-color:hsla(0,0%,93%,.5);color:#37474f;box-shadow:.25em 0 0 hsla(0,0%,93%,.5),-.25em 0 0 hsla(0,0%,93%,.5)}.md-typeset .critic.comment:before{padding-right:.125em;color:rgba(0,0,0,.26);content:"chat";vertical-align:-.125em}.md-typeset .critic.block{display:block;margin:1em 0;padding-right:1.6rem;padding-left:1.6rem;box-shadow:none}.md-typeset .critic.block :first-child{margin-top:.5em}.md-typeset .critic.block :last-child{margin-bottom:.5em}.md-typeset .emojione{width:2rem;vertical-align:text-top}.md-typeset code.codehilite{margin:0 .29412em;padding:.07353em 0}.md-typeset .task-list-item{position:relative;list-style-type:none}.md-typeset .task-list-item [type=checkbox]{position:absolute;top:.45em;left:-2em}.md-typeset .task-list-control .task-list-indicator:before{position:absolute;top:.05em;left:-1.25em;color:rgba(0,0,0,.26);font-size:1.5em;content:"check_box_outline_blank";vertical-align:-.25em}.md-typeset .task-list-control [type=checkbox]:checked+.task-list-indicator:before{content:"check_box"}.md-typeset .task-list-control [type=checkbox]{opacity:0;z-index:-1}@media print{.md-typeset a:after{color:rgba(0,0,0,.54);content:" [" attr(href) "]"}.md-typeset code{box-shadow:none;-webkit-box-decoration-break:initial;box-decoration-break:slice}.md-content__edit,.md-footer,.md-header,.md-sidebar,.md-typeset .headerlink{display:none}}@media only screen and (max-width:44.9375em){.md-typeset pre{margin:1em -1.6rem;padding:1rem 1.6rem;border-radius:0}.codehilite .hll{margin:0 -1.6rem;padding:0 1.6rem}.md-typeset>.codehilite{padding:1rem 1.6rem .8rem}.md-typeset>.codehilite,.md-typeset>.codehilitetable{margin:1em -1.6rem;border-radius:0}.md-typeset>.codehilitetable .codehilite,.md-typeset>.codehilitetable .linenodiv{padding:1rem 1.6rem}.md-typeset>p>.MJXc-display{margin:.75em -1.6rem;padding:.25em 1.6rem}}@media only screen and (min-width:100em){html{font-size:68.75%}}@media only screen and (min-width:125em){html{font-size:75%}}@media only screen and (max-width:59.9375em){body[data-md-state=lock]{overflow:hidden}.ios body[data-md-state=lock] .md-container{display:none}.md-content__edit{margin-right:-.8rem}.md-nav--secondary{border-left:0}html .md-nav__link[for=toc]{display:block;padding-right:4.8rem}html .md-nav__link[for=toc]:after{color:inherit;content:"toc"}html .md-nav__link[for=toc]+.md-nav__link{display:none}html .md-nav__link[for=toc]~.md-nav{display:-webkit-box;display:-ms-flexbox;display:flex}.md-nav__source{display:block;padding:.4rem;background-color:rgba(50,64,144,.9675);color:#fff}.md-search__overlay{display:block;position:absolute;top:.4rem;left:.4rem;width:4rem;height:4rem;-webkit-transform-origin:center;transform-origin:center;-webkit-transition:opacity .2s .2s,-webkit-transform .3s .1s;transition:opacity .2s .2s,-webkit-transform .3s .1s;transition:transform .3s .1s,opacity .2s .2s;transition:transform .3s .1s,opacity .2s .2s,-webkit-transform .3s .1s;border-radius:2rem;background-color:#fff;opacity:0;overflow:hidden;z-index:1}[data-md-toggle=search]:checked~.md-header .md-search__overlay{-webkit-transition:opacity .1s,-webkit-transform .4s;transition:opacity .1s,-webkit-transform .4s;transition:transform .4s,opacity .1s;transition:transform .4s,opacity .1s,-webkit-transform .4s;opacity:1}.md-search__inner{position:fixed;top:0;left:100%;height:100%;-webkit-transform:translateX(5%);transform:translateX(5%);-webkit-transition:left 0s .3s,opacity .15s .15s,-webkit-transform .15s cubic-bezier(.4,0,.2,1) .15s;transition:left 0s .3s,opacity .15s .15s,-webkit-transform .15s cubic-bezier(.4,0,.2,1) .15s;transition:left 0s .3s,transform .15s cubic-bezier(.4,0,.2,1) .15s,opacity .15s .15s;transition:left 0s .3s,transform .15s cubic-bezier(.4,0,.2,1) .15s,opacity .15s .15s,-webkit-transform .15s cubic-bezier(.4,0,.2,1) .15s;opacity:0;z-index:2}[data-md-toggle=search]:checked~.md-header .md-search__inner{left:0;-webkit-transform:translateX(0);transform:translateX(0);-webkit-transition:left 0s 0s,opacity .15s .15s,-webkit-transform .15s cubic-bezier(.1,.7,.1,1) .15s;transition:left 0s 0s,opacity .15s .15s,-webkit-transform .15s cubic-bezier(.1,.7,.1,1) .15s;transition:left 0s 0s,transform .15s cubic-bezier(.1,.7,.1,1) .15s,opacity .15s .15s;transition:left 0s 0s,transform .15s cubic-bezier(.1,.7,.1,1) .15s,opacity .15s .15s,-webkit-transform .15s cubic-bezier(.1,.7,.1,1) .15s;opacity:1}.md-search__input{width:100%;height:5.6rem;font-size:1.8rem}.md-search__icon{top:1.6rem;left:1.6rem}.md-search__icon:before{content:"arrow_back"}.md-search__output{top:5.6rem;bottom:0}}@media only screen and (max-width:76.1875em){[data-md-toggle=drawer]:checked~.md-overlay{width:100%;height:100%;-webkit-transition:width 0s,height 0s,opacity .25s;transition:width 0s,height 0s,opacity .25s;opacity:1}.md-header-nav__button.md-icon--home,.md-header-nav__button.md-logo{display:none}.md-nav--primary,.md-nav--primary .md-nav{display:-webkit-box;display:-ms-flexbox;display:flex;position:absolute;top:0;right:0;left:0;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;height:100%;z-index:1}.md-nav--primary{background-color:#fff}.md-nav--primary .md-nav__toggle~.md-nav{box-shadow:0 4px 5px 0 rgba(0,0,0,.14),0 1px 10px 0 rgba(0,0,0,.12),0 2px 4px -1px rgba(0,0,0,.4);background-color:#fff}.md-nav--primary .md-nav__item,.md-nav--primary .md-nav__title{font-size:1.6rem;line-height:1.5}html .md-nav--primary .md-nav__title{position:relative;height:11.2rem;padding:6rem 1.6rem .4rem;background-color:rgba(0,0,0,.07);color:rgba(0,0,0,.54);font-weight:400;line-height:4.8rem;white-space:nowrap;cursor:pointer}html .md-nav--primary .md-nav__title:before{display:block;position:absolute;top:.4rem;left:.4rem;width:4rem;height:4rem;color:rgba(0,0,0,.54)}html .md-nav--primary .md-nav__title~.md-nav__list{background:-webkit-linear-gradient(top,#fff 10%,hsla(0,0%,100%,0)),-webkit-linear-gradient(top,rgba(0,0,0,.26),rgba(0,0,0,.07) 35%,transparent 60%);background:linear-gradient(180deg,#fff 10%,hsla(0,0%,100%,0)),linear-gradient(180deg,rgba(0,0,0,.26),rgba(0,0,0,.07) 35%,transparent 60%);background-attachment:local,scroll;background-color:#fff;background-repeat:no-repeat;background-size:100% 2rem,100% 1rem;box-shadow:inset 0 .1rem 0 rgba(0,0,0,.07)}html .md-nav--primary .md-nav__title~.md-nav__list>.md-nav__item:first-child{border-top:0}html .md-nav--primary .md-nav__title--site{position:relative;background-color:#3f51b5;color:#fff}html .md-nav--primary .md-nav__title--site .md-nav__button{display:block;position:absolute;top:.4rem;left:.4rem;width:6.4rem;height:6.4rem;font-size:4.8rem}html .md-nav--primary .md-nav__title--site:before{display:none}.md-nav--primary .md-nav__list{-webkit-box-flex:1;-ms-flex:1;flex:1;overflow-y:auto}.md-nav--primary .md-nav__item{padding:0;border-top:.1rem solid rgba(0,0,0,.07)}.md-nav--primary .md-nav__item--nested>.md-nav__link{padding-right:4.8rem}.md-nav--primary .md-nav__item--nested>.md-nav__link:after{content:"keyboard_arrow_right"}.md-nav--primary .md-nav__link{position:relative;padding:1.6rem}.md-nav--primary .md-nav__link:after{position:absolute;top:50%;right:1.2rem;margin-top:-1.2rem;color:rgba(0,0,0,.54);font-size:2.4rem}.md-nav--primary .md-nav__link:hover:after{color:inherit}.md-nav--primary .md-nav--secondary .md-nav{position:static}.md-nav--primary .md-nav--secondary .md-nav .md-nav__link{padding-left:2.8rem}.md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav__link{padding-left:4rem}.md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav .md-nav__link{padding-left:5.2rem}.md-nav--primary .md-nav--secondary .md-nav .md-nav .md-nav .md-nav .md-nav__link{padding-left:6.4rem}.md-nav__toggle~.md-nav{display:none}.csstransforms3d .md-nav__toggle~.md-nav{-webkit-transform:translateX(100%);transform:translateX(100%);-webkit-transition:opacity .125s .05s,-webkit-transform .25s cubic-bezier(.8,0,.6,1);transition:opacity .125s .05s,-webkit-transform .25s cubic-bezier(.8,0,.6,1);transition:transform .25s cubic-bezier(.8,0,.6,1),opacity .125s .05s;transition:transform .25s cubic-bezier(.8,0,.6,1),opacity .125s .05s,-webkit-transform .25s cubic-bezier(.8,0,.6,1);opacity:0}.csstransforms3d .md-nav__toggle~.md-nav,.md-nav__toggle:checked~.md-nav{display:-webkit-box;display:-ms-flexbox;display:flex}.csstransforms3d .md-nav__toggle:checked~.md-nav{-webkit-transform:translateX(0);transform:translateX(0);-webkit-transition:opacity .125s .125s,-webkit-transform .25s cubic-bezier(.4,0,.2,1);transition:opacity .125s .125s,-webkit-transform .25s cubic-bezier(.4,0,.2,1);transition:transform .25s cubic-bezier(.4,0,.2,1),opacity .125s .125s;transition:transform .25s cubic-bezier(.4,0,.2,1),opacity .125s .125s,-webkit-transform .25s cubic-bezier(.4,0,.2,1);opacity:1}.md-sidebar--primary{position:fixed;top:0;left:-24.2rem;width:24.2rem;height:100%;-webkit-transform:translateX(0);transform:translateX(0);-webkit-transition:box-shadow .25s,-webkit-transform .25s cubic-bezier(.4,0,.2,1);transition:box-shadow .25s,-webkit-transform .25s cubic-bezier(.4,0,.2,1);transition:transform .25s cubic-bezier(.4,0,.2,1),box-shadow .25s;transition:transform .25s cubic-bezier(.4,0,.2,1),box-shadow .25s,-webkit-transform .25s cubic-bezier(.4,0,.2,1);background-color:#fff;z-index:2}.no-csstransforms3d .md-sidebar--primary{display:none}[data-md-toggle=drawer]:checked~.md-container .md-sidebar--primary{box-shadow:0 8px 10px 1px rgba(0,0,0,.14),0 3px 14px 2px rgba(0,0,0,.12),0 5px 5px -3px rgba(0,0,0,.4);-webkit-transform:translateX(24.2rem);transform:translateX(24.2rem)}.no-csstransforms3d [data-md-toggle=drawer]:checked~.md-container .md-sidebar--primary{display:block}.md-sidebar--primary .md-sidebar__scrollwrap{overflow:hidden;position:absolute;top:0;right:0;bottom:0;left:0;margin:0}.md-tabs{display:none}}@media only screen and (min-width:60em){.md-content{margin-right:24.2rem}.md-header-nav__button.md-icon--search{display:none}.md-header-nav__source{display:block;width:23rem;max-width:23rem;padding-right:1.2rem}.md-search{margin-right:2.8rem;padding:.4rem}.md-search__inner{display:table;position:relative;clear:both}.md-search__form{width:23rem;float:right;-webkit-transition:width .25s cubic-bezier(.1,.7,.1,1);transition:width .25s cubic-bezier(.1,.7,.1,1);border-radius:.2rem}.md-search__input{width:100%;height:4rem;padding-left:4.8rem;-webkit-transition:background-color .25s,color .25s;transition:background-color .25s,color .25s;border-radius:.2rem;background-color:rgba(0,0,0,.26);color:#fff;font-size:1.6rem}.md-search__input+.md-search__icon,.md-search__input::-webkit-input-placeholder{-webkit-transition:color .25s;transition:color .25s;color:#fff}.md-search__input+.md-search__icon,.md-search__input::-moz-placeholder{-webkit-transition:color .25s;transition:color .25s;color:#fff}.md-search__input+.md-search__icon,.md-search__input:-ms-input-placeholder{-webkit-transition:color .25s;transition:color .25s;color:#fff}.md-search__input+.md-search__icon,.md-search__input::placeholder{-webkit-transition:color .25s;transition:color .25s;color:#fff}.md-search__input:hover{background-color:hsla(0,0%,100%,.12)}[data-md-toggle=search]:checked~.md-header .md-search__input{border-radius:.2rem .2rem 0 0;background-color:#fff;color:rgba(0,0,0,.87);text-overflow:none}[data-md-toggle=search]:checked~.md-header .md-search__input+.md-search__icon,[data-md-toggle=search]:checked~.md-header .md-search__input::-webkit-input-placeholder{color:rgba(0,0,0,.54)}[data-md-toggle=search]:checked~.md-header .md-search__input+.md-search__icon,[data-md-toggle=search]:checked~.md-header .md-search__input::-moz-placeholder{color:rgba(0,0,0,.54)}[data-md-toggle=search]:checked~.md-header .md-search__input+.md-search__icon,[data-md-toggle=search]:checked~.md-header .md-search__input:-ms-input-placeholder{color:rgba(0,0,0,.54)}[data-md-toggle=search]:checked~.md-header .md-search__input+.md-search__icon,[data-md-toggle=search]:checked~.md-header .md-search__input::placeholder{color:rgba(0,0,0,.54)}.md-search__output{top:4rem;-webkit-transition:opacity .4s;transition:opacity .4s;opacity:0}[data-md-toggle=search]:checked~.md-header .md-search__output{box-shadow:0 6px 10px 0 rgba(0,0,0,.14),0 1px 18px 0 rgba(0,0,0,.12),0 3px 5px -1px rgba(0,0,0,.4);opacity:1}.md-search__scrollwrap{max-height:0}[data-md-toggle=search]:checked~.md-header .md-search__scrollwrap{max-height:75vh}.md-search__scrollwrap::-webkit-scrollbar{width:.4rem;height:.4rem}.md-search__scrollwrap::-webkit-scrollbar-thumb{background-color:rgba(0,0,0,.26)}.md-search__scrollwrap::-webkit-scrollbar-thumb:hover{background-color:#536dfe}.md-search-result__link,.md-search-result__meta{padding-left:4.8rem}.md-sidebar--secondary{display:block;float:right}.md-sidebar--secondary[data-md-state=lock]{margin-left:100%;-webkit-transform:translate(-100%);transform:translate(-100%)}}@media only screen and (min-width:76.25em){.md-content{margin-left:24.2rem;overflow:auto}.md-content__inner{margin:2.4rem}.md-content__inner :last-child{margin-bottom:0}.md-header{box-shadow:none}.md-header[data-md-state=shadow]{box-shadow:0 3px 4px 0 rgba(0,0,0,.14),0 1px 8px 0 rgba(0,0,0,.12),0 3px 3px -2px rgba(0,0,0,.4);-webkit-transition:background-color .25s,box-shadow .25s;transition:background-color .25s,box-shadow .25s}.md-header-nav__button.md-icon--menu{display:none}.md-nav[data-md-state=animate]{-webkit-transition:max-height .25s cubic-bezier(.86,0,.07,1);transition:max-height .25s cubic-bezier(.86,0,.07,1)}.md-nav__toggle~.md-nav{max-height:0;overflow:hidden}.md-nav[data-md-state=expand],.md-nav__toggle:checked~.md-nav{max-height:100%}.md-nav__item--nested>.md-nav>.md-nav__title{display:none}.md-nav__item--nested>.md-nav__link:after{display:inline-block;-webkit-transform-origin:.45em .45em;transform-origin:.45em .45em;-webkit-transform-style:preserve-3d;transform-style:preserve-3d;vertical-align:-.125em}.js .md-nav__item--nested>.md-nav__link:after{-webkit-transition:-webkit-transform .4s;transition:-webkit-transform .4s;transition:transform .4s;transition:transform .4s,-webkit-transform .4s}.md-nav__item--nested .md-nav__toggle:checked~.md-nav__link:after{-webkit-transform:rotateX(180deg);transform:rotateX(180deg)}.md-search__scrollwrap,[data-md-toggle=search]:checked~.md-header .md-search__form{width:68.8rem}.md-sidebar__inner{border-right:.1rem solid rgba(0,0,0,.07)}}@media only screen and (max-width:29.9375em){.md-footer-nav__link--prev .md-footer-nav__title,.md-header-nav__parent{display:none}[data-md-toggle=search]:checked~.md-header .md-search__overlay{-webkit-transform:scale(45);transform:scale(45)}}@media only screen and (min-width:30em){.md-footer-nav__link{width:50%}}@media only screen and (min-width:45em){.md-footer-copyright{max-width:75%;float:left}.md-footer-social{padding:1.2rem 0;float:right}}@media only screen and (min-width:30em) and (max-width:44.9375em){[data-md-toggle=search]:checked~.md-header .md-search__overlay{-webkit-transform:scale(60);transform:scale(60)}}@media only screen and (min-width:45em) and (max-width:59.9375em){[data-md-toggle=search]:checked~.md-header .md-search__overlay{-webkit-transform:scale(75);transform:scale(75)}}@media only screen and (min-width:60em) and (max-width:76.1875em){.md-search__scrollwrap,[data-md-toggle=search]:checked~.md-header .md-search__form{width:46.8rem}}@media only screen and (min-width:60em) and (min-width:76.25em){.md-sidebar--secondary[data-md-state=lock]{margin-left:122rem}}
\ No newline at end of file
diff --git a/material/base.html b/material/base.html
index e07ed80a7..bc16554af 100644
--- a/material/base.html
+++ b/material/base.html
@@ -17,15 +17,13 @@
{% if config.site_favicon %}
{% else %}
-
+
{% endif %}
{% endblock %}
{% block htmltitle %}
- {% if page.title %}
+ {% if page.title and not page.is_homepage %}
{{ page.title }} - {{ config.site_name }}
- {% elif config.site_description %}
- {{ config.site_name }} - {{ config.site_description }}
{% else %}
{{ config.site_name }}
{% endif %}
@@ -45,7 +43,7 @@
{% endblock %}
{% block styles %}
-
+
{% if config.extra.palette %}
{% endif %}
@@ -128,7 +126,7 @@
{% endblock %}
{% block scripts %}
-
+
{% for path in extra_javascript %}
diff --git a/material/partials/nav-item.html b/material/partials/nav-item.html
index 651c60120..d730439a6 100644
--- a/material/partials/nav-item.html
+++ b/material/partials/nav-item.html
@@ -8,14 +8,15 @@
-