diff --git a/docs/getting-started.md b/docs/getting-started.md
index 82cbae863..41d8b1468 100644
--- a/docs/getting-started.md
+++ b/docs/getting-started.md
@@ -407,16 +407,31 @@ extra:
     tabs: true
 ```
 
+### Clipboard.js Integration
+
+Material supports [Clipboard.js][20] and will provide overlays on code blocks
+for easy copying. When mousing over a code block you will see a button in
+the upper right hand corner of the code. You can click the icon and have the
+entire content of the that code block copied to the clipboard without needing
+Flash.  Clipboard.js support can be enabled by with the following settings:
+
+```yaml
+extra_javascript:
+  - https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/1.6.1/clipboard.min.js
+```
+
+  [20]: https://clipboardjs.com/
+
 ### More advanced customization
 
 If you want to change the general appearance of the Material theme, see
-[this article][20] for more information on advanced customization.
+[this article][21] for more information on advanced customization.
 
-  [20]: customization.md
+  [21]: customization.md
 
 ## Extensions
 
-MkDocs supports several [Markdown extensions][21]. The following extensions
+MkDocs supports several [Markdown extensions][22]. The following extensions
 are not enabled by default (see the link for which are enabled by default)
 but highly recommended, so they should be switched on at all times:
 
@@ -430,20 +445,20 @@ markdown_extensions:
 For more information, see the following list of extensions supported by the
 Material theme including more information regarding installation and usage:
 
-* [Admonition][22]
-* [Codehilite][23]
-* [Footnotes][24]
-* [Metadata][25]
-* [Permalinks][26]
-* [PyMdown Extensions][27]
+* [Admonition][23]
+* [Codehilite][24]
+* [Footnotes][25]
+* [Metadata][26]
+* [Permalinks][27]
+* [PyMdown Extensions][28]
 
-  [21]: http://www.mkdocs.org/user-guide/writing-your-docs/#markdown-extensions
-  [22]: extensions/admonition.md
-  [23]: extensions/codehilite.md
-  [24]: extensions/footnotes.md
-  [25]: extensions/metadata.md
-  [26]: extensions/permalinks.md
-  [27]: extensions/pymdown.md
+  [22]: http://www.mkdocs.org/user-guide/writing-your-docs/#markdown-extensions
+  [23]: extensions/admonition.md
+  [24]: extensions/codehilite.md
+  [25]: extensions/footnotes.md
+  [26]: extensions/metadata.md
+  [27]: extensions/permalinks.md
+  [28]: extensions/pymdown.md
 
 ## Full example
 
@@ -493,4 +508,8 @@ markdown_extensions:
   - admonition
   - codehilite(guess_lang=false)
   - toc(permalink=true)
+
+# CSS
+extra_javascript:
+  - https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/1.6.0/clipboard.min.js
 ```
diff --git a/material/assets/javascripts/application-6b599127bc.js b/material/assets/javascripts/application-6b599127bc.js
deleted file mode 100644
index 8228c7e4f..000000000
--- a/material/assets/javascripts/application-6b599127bc.js
+++ /dev/null
@@ -1,3 +0,0 @@
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e.replace(/^\W+/,"").replace(/\W+$/,"")})},o.Pipeline.registerFunction(o.trimmer,"trimmer"),o.TokenSet=function(){this.final=!1,this.edges={},this.id=o.TokenSet._nextId,o.TokenSet._nextId+=1},o.TokenSet._nextId=1,o.TokenSet.fromArray=function(e){for(var t=new o.TokenSet.Builder,n=0,r=e.length;n<r;n++)t.insert(e[n]);return t.finish(),t.root},o.TokenSet.fromClause=function(e){return"editDistance"in e?o.TokenSet.fromFuzzyString(e.term,e.editDistance):o.TokenSet.fromString(e.term)},o.TokenSet.fromFuzzyString=function(e,t){for(var n=new o.TokenSet,r=[{node:n,editsRemaining:t,str:e}];r.length;){var i=r.pop();if(i.str.length>0){var s,a=i.str.charAt(0);a in i.node.edges?s=i.node.edges[a]:(s=new o.TokenSet,i.node.edges[a]=s),1==i.str.length?s.final=!0:r.push({node:s,editsRemaining:i.editsRemaining,str:i.str.slice(1)})}if(i.editsRemaining>0&&i.str.length>1){var c,a=i.str.charAt(1);a in i.node.edges?c=i.node.edges[a]:(c=new o.TokenSet,i.node.edges[a]=c),i.str.length<=2?c.final=!0:r.push({node:c,editsRemaining:i.editsRemaining-1,str:i.str.slice(2)})}if(i.editsRemaining>0&&1==i.str.length&&(i.node.final=!0),i.editsRemaining>0&&i.str.length>=1){if("*"in i.node.edges)var u=i.node.edges["*"];else{var u=new o.TokenSet;i.node.edges["*"]=u}1==i.str.length?u.final=!0:r.push({node:u,editsRemaining:i.editsRemaining-1,str:i.str.slice(1)})}if(i.editsRemaining>0){if("*"in i.node.edges)var l=i.node.edges["*"];else{var l=new o.TokenSet;i.node.edges["*"]=l}0==i.str.length?l.final=!0:r.push({node:l,editsRemaining:i.editsRemaining-1,str:i.str})}if(i.editsRemaining>0&&i.str.length>1){var f,h=i.str.charAt(0),d=i.str.charAt(1);d in i.node.edges?f=i.node.edges[d]:(f=new o.TokenSet,i.node.edges[d]=f),1==i.str.length?f.final=!0:r.push({node:f,editsRemaining:i.editsRemaining-1,str:h+i.str.slice(2)})}}return n},o.TokenSet.fromString=function(e){for(var t=new o.TokenSet,n=t,r=!1,i=0,s=e.length;i<s;i++){var a=e[i],c=i==s-1;if("*"==a)r=!0,t.edges[a]=t,t.final=c;else{var u=new o.TokenSet;u.final=c,t.edges[a]=u,t=u,r&&(t.edges["*"]=n)}}return n},o.TokenSet.prototype.toArray=function(){for(var e=[],t=[{prefix:"",node:this}];t.length;){var n=t.pop(),r=Object.keys(n.node.edges),i=r.length;n.node.final&&e.push(n.prefix);for(var o=0;o<i;o++){var s=r[o];t.push({prefix:n.prefix.concat(s),node:n.node.edges[s]})}}return e},o.TokenSet.prototype.toString=function(){if(this._str)return this._str;for(var e=this.final?"1":"0",t=Object.keys(this.edges).sort(),n=t.length,r=0;r<n;r++){var i=t[r],o=this.edges[i];e=e+i+o.id}return e},o.TokenSet.prototype.intersect=function(e){for(var t=new o.TokenSet,n=void 0,r=[{qNode:e,output:t,node:this}];r.length;){n=r.pop();for(var i=Object.keys(n.qNode.edges),s=i.length,a=Object.keys(n.node.edges),c=a.length,u=0;u<s;u++)for(var l=i[u],f=0;f<c;f++){var h=a[f];if(h==l||"*"==l){var d=n.node.edges[h],p=n.qNode.edges[l],m=d.final&&p.final,v=void 0;h in n.output.edges?(v=n.output.edges[h],v.final=v.final||m):(v=new o.TokenSet,v.final=m,n.output.edges[h]=v),r.push({qNode:p,output:v,node:d})}}}return t},o.TokenSet.Builder=function(){this.previousWord="",this.root=new o.TokenSet,this.uncheckedNodes=[],this.minimizedNodes={}},o.TokenSet.Builder.prototype.insert=function(e){var t,n=0;if(e<this.previousWord)throw new Error("Out of order word insertion");for(var r=0;r<e.length&&r<this.previousWord.length&&e[r]==this.previousWord[r];r++)n++;this.minimize(n),t=0==this.uncheckedNodes.length?this.root:this.uncheckedNodes[this.uncheckedNodes.length-1].child;for(var r=n;r<e.length;r++){var i=new o.TokenSet,s=e[r];t.edges[s]=i,this.uncheckedNodes.push({parent:t,char:s,child:i}),t=i}t.final=!0,this.previousWord=e},o.TokenSet.Builder.prototype.finish=function(){this.minimize(0)},o.TokenSet.Builder.prototype.minimize=function(e){for(var t=this.uncheckedNodes.length-1;t>=e;t--){var n=this.uncheckedNodes[t],r=n.child.toString();r in this.minimizedNodes?n.parent.edges[n.char]=this.minimizedNodes[r]:(n.child._str=r,this.minimizedNodes[r]=n.child),this.uncheckedNodes.pop()}},o.Index=function(e){this.invertedIndex=e.invertedIndex,this.documentVectors=e.documentVectors,this.tokenSet=e.tokenSet,this.documentCount=e.documentCount,this.averageDocumentLength=e.averageDocumentLength,this.b=e.b,this.k1=e.k1,this.fields=e.fields,this.pipeline=e.pipeline},o.Index.prototype.search=function(e){return this.query(function(t){var n=new o.QueryParser(e,t);n.parse()})},o.Index.prototype.query=function(e){var t=new o.Query(this.fields),n=Object.create(null),r=new o.Vector;e.call(t,t);for(var i=0;i<t.clauses.length;i++){var s=t.clauses[i],a=null;a=s.usePipeline?this.pipeline.runString(s.term):[s.term];for(var c=0;c<a.length;c++){var u=a[c];s.term=u;for(var l=o.TokenSet.fromClause(s),f=this.tokenSet.intersect(l).toArray(),h=0;h<f.length;h++){var d=f[h],p=this.invertedIndex[d],m=p._index,v=o.idf(p,this.documentCount),y=1,g=v*((this.k1+1)*y)/(this.k1*(1-this.b+this.b*(t.clauses.length/this.averageDocumentLength))+y);r.insert(m,g*s.boost);for(var w=0;w<s.fields.length;w++)for(var b=s.fields[w],_=p[b],x=Object.keys(_),E=0;E<x.length;E++){var k,S,T=x[E];k=_[T],S=new o.MatchData(d,b,k),T in n?n[T].combine(S):n[T]=S}}}}for(var x=Object.keys(n),L=[],i=0;i<x.length;i++){var C=x[i],O=this.documentVectors[C],g=r.similarity(O);L.push({ref:C,score:g,matchData:n[C]})}return L.sort(function(e,t){return t.score-e.score})},o.Index.prototype.toJSON=function(){var e=Object.keys(this.invertedIndex).sort().map(function(e){return[e,this.invertedIndex[e]]},this),t=Object.keys(this.documentVectors).map(function(e){return[e,this.documentVectors[e].toJSON()]},this);return{version:o.version,averageDocumentLength:this.averageDocumentLength,b:this.b,k1:this.k1,fields:this.fields,documentVectors:t,invertedIndex:e,pipeline:this.pipeline.toJSON()}},o.Index.load=function(e){var t={},n={},r=e.documentVectors,i=0,s={},a=e.invertedIndex,c=new o.TokenSet.Builder,u=o.Pipeline.load(e.pipeline);e.version!=o.version&&o.utils.warn("Version mismatch when loading serialised index. Current version of lunr '"+o.version+"' does not match serialized index '"+e.version+"'");for(var l=0;l<r.length;l++,i++){var f=r[l],h=f[0],d=f[1];n[h]=new o.Vector(d)}for(var l=0;l<a.length;l++){var f=a[l],p=f[0],m=f[1];c.insert(p),s[p]=m}return c.finish(),t.b=e.b,t.k1=e.k1,t.fields=e.fields,t.averageDocumentLength=e.averageDocumentLength,t.documentCount=i,t.documentVectors=n,t.invertedIndex=s,t.tokenSet=c.root,t.pipeline=u,new o.Index(t)},o.Builder=function(){this._ref="id",this._fields=[],this.invertedIndex=Object.create(null),this.documentTermFrequencies={},this.documentLengths={},this.tokenizer=o.tokenizer,this.pipeline=new o.Pipeline,this.searchPipeline=new o.Pipeline,this.documentCount=0,this._b=.75,this._k1=1.2,this.termIndex=0,this.metadataWhitelist=[]},o.Builder.prototype.ref=function(e){this._ref=e},o.Builder.prototype.field=function(e){this._fields.push(e)},o.Builder.prototype.b=function(e){e<0?this._b=0:e>1?this._b=1:this._b=e},o.Builder.prototype.k1=function(e){this._k1=e},o.Builder.prototype.add=function(e){var t=e[this._ref],n={};this.documentCount+=1,this.documentTermFrequencies[t]=n,this.documentLengths[t]=0;for(var r=0;r<this._fields.length;r++){var i=this._fields[r],o=e[i],s=this.tokenizer(o),a=this.pipeline.run(s);this.documentLengths[t]+=a.length;for(var c=0;c<a.length;c++){var u=a[c];if(void 0==n[u]&&(n[u]=0),n[u]+=1,void 0==this.invertedIndex[u]){var l=Object.create(null);l._index=this.termIndex,this.termIndex+=1;for(var f=0;f<this._fields.length;f++)l[this._fields[f]]=Object.create(null);this.invertedIndex[u]=l}void 0==this.invertedIndex[u][i][t]&&(this.invertedIndex[u][i][t]=Object.create(null));for(var h=0;h<this.metadataWhitelist.length;h++){var d=this.metadataWhitelist[h],p=u.metadata[d];void 0==this.invertedIndex[u][i][t][d]&&(this.invertedIndex[u][i][t][d]=[]),this.invertedIndex[u][i][t][d].push(p)}}}},o.Builder.prototype.calculateAverageDocumentLengths=function(){for(var e=Object.keys(this.documentLengths),t=e.length,n=0,r=0;r<t;r++){var i=e[r];n+=this.documentLengths[i]}this.averageDocumentLength=n/t},o.Builder.prototype.createDocumentVectors=function(){for(var e={},t=Object.keys(this.documentTermFrequencies),n=t.length,r=0;r<n;r++){for(var i=t[r],s=this.documentLengths[i],a=new o.Vector,c=this.documentTermFrequencies[i],u=Object.keys(c),l=u.length,f=0;f<l;f++){var h=u[f],d=c[h],p=this.invertedIndex[h]._index,m=o.idf(this.invertedIndex[h],this.documentCount),v=m*((this._k1+1)*d)/(this._k1*(1-this._b+this._b*(s/this.averageDocumentLength))+d),y=Math.round(1e3*v)/1e3;a.insert(p,y)}e[i]=a}this.documentVectors=e},o.Builder.prototype.createTokenSet=function(){this.tokenSet=o.TokenSet.fromArray(Object.keys(this.invertedIndex).sort())},o.Builder.prototype.build=function(){return this.calculateAverageDocumentLengths(),this.createDocumentVectors(),this.createTokenSet(),new o.Index({invertedIndex:this.invertedIndex,documentVectors:this.documentVectors,tokenSet:this.tokenSet,averageDocumentLength:this.averageDocumentLength,documentCount:this.documentCount,fields:this._fields,pipeline:this.searchPipeline,b:this._b,k1:this._k1})},o.Builder.prototype.use=function(e){var t=Array.prototype.slice.call(arguments,1);t.unshift(this),e.apply(this,t)},o.MatchData=function(e,t,n){this.metadata={},this.metadata[e]={},this.metadata[e][t]=n},o.MatchData.prototype.combine=function(e){for(var t=Object.keys(e.metadata),n=0;n<t.length;n++){var r=t[n],i=Object.keys(e.metadata[r]);void 0==this.metadata[r]&&(this.metadata[r]={});for(var o=0;o<i.length;o++){var s=i[o],a=Object.keys(e.metadata[r][s]);void 0==this.metadata[r][s]&&(this.metadata[r][s]={});for(var c=0;c<a.length;c++){var u=a[c];void 0==this.metadata[r][s][u]?this.metadata[r][s][u]=e.metadata[r][s][u]:this.metadata[r][s][u]=this.metadata[r][s][u].concat(e.metadata[r][s][u])}}}},o.Query=function(e){this.clauses=[],this.allFields=e},o.Query.prototype.clause=function(e){return"fields"in e||(e.fields=this.allFields),"boost"in e||(e.boost=1),"usePipeline"in e||(e.usePipeline=!0),this.clauses.push(e),this},o.Query.prototype.term=function(e,t){var n=t||{};return n.term=e,this.clause(n),this},o.QueryParseError=function(e,t,n){this.name="QueryParseError",this.message=e,this.start=t,this.end=n},o.QueryParseError.prototype=new Error,o.QueryLexer=function(e){this.lexemes=[],this.str=e,this.length=e.length,this.pos=0,this.start=0},o.QueryLexer.prototype.run=function(){for(var e=o.QueryLexer.lexText;e;)e=e(this)},o.QueryLexer.prototype.emit=function(e){this.lexemes.push({type:e,str:this.str.slice(this.start,this.pos),start:this.start,end:this.pos}),this.start=this.pos},o.QueryLexer.prototype.next=function(){if(this.pos==this.length)return o.QueryLexer.EOS;var e=this.str.charAt(this.pos);return this.pos+=1,e},o.QueryLexer.prototype.width=function(){return this.pos-this.start},o.QueryLexer.prototype.ignore=function(){this.start==this.pos&&(this.pos+=1),this.start=this.pos},o.QueryLexer.prototype.backup=function(){this.pos-=1},o.QueryLexer.prototype.acceptDigitRun=function(){var e,t;do e=this.next(),t=e.charCodeAt(0);while(t>47&&t<58);e!=o.QueryLexer.EOS&&this.backup()},o.QueryLexer.prototype.more=function(){return this.pos<this.length},o.QueryLexer.EOS="EOS",o.QueryLexer.FIELD="FIELD",o.QueryLexer.TERM="TERM",o.QueryLexer.EDIT_DISTANCE="EDIT_DISTANCE",o.QueryLexer.BOOST="BOOST",o.QueryLexer.lexField=function(e){return e.backup(),e.emit(o.QueryLexer.FIELD),e.ignore(),o.QueryLexer.lexText},o.QueryLexer.lexTerm=function(e){if(e.width()>1&&(e.backup(),e.emit(o.QueryLexer.TERM)),e.ignore(),e.more())return o.QueryLexer.lexText},o.QueryLexer.lexEditDistance=function(e){return e.ignore(),e.acceptDigitRun(),e.emit(o.QueryLexer.EDIT_DISTANCE),o.QueryLexer.lexText},o.QueryLexer.lexBoost=function(e){return e.ignore(),e.acceptDigitRun(),e.emit(o.QueryLexer.BOOST),o.QueryLexer.lexText},o.QueryLexer.lexEOS=function(e){e.width()>0&&e.emit(o.QueryLexer.TERM)},o.QueryLexer.termSeparator=o.tokenizer.separator,o.QueryLexer.lexText=function(e){for(;;){var t=e.next();if(t==o.QueryLexer.EOS)return o.QueryLexer.lexEOS;if(":"==t)return o.QueryLexer.lexField;if("~"==t)return e.backup(),e.width()>0&&e.emit(o.QueryLexer.TERM),o.QueryLexer.lexEditDistance;if("^"==t)return e.backup(),e.width()>0&&e.emit(o.QueryLexer.TERM),o.QueryLexer.lexBoost;if(t.match(o.QueryLexer.termSeparator))return o.QueryLexer.lexTerm}},o.QueryParser=function(e,t){this.lexer=new o.QueryLexer(e),this.query=t,this.currentClause={},this.lexemeIdx=0},o.QueryParser.prototype.parse=function(){
-this.lexer.run(),this.lexemes=this.lexer.lexemes;for(var e=o.QueryParser.parseFieldOrTerm;e;)e=e(this);return this.query},o.QueryParser.prototype.peekLexeme=function(){return this.lexemes[this.lexemeIdx]},o.QueryParser.prototype.consumeLexeme=function(){var e=this.peekLexeme();return this.lexemeIdx+=1,e},o.QueryParser.prototype.nextClause=function(){var e=this.currentClause;this.query.clause(e),this.currentClause={}},o.QueryParser.parseFieldOrTerm=function(e){var t=e.peekLexeme();if(void 0!=t)switch(t.type){case o.QueryLexer.FIELD:return o.QueryParser.parseField;case o.QueryLexer.TERM:return o.QueryParser.parseTerm;default:var n="expected either a field or a term, found "+t.type+" with value '"+t.str+"'";throw new o.QueryParseError(n,t.start,t.end)}},o.QueryParser.parseField=function(e){var t=e.consumeLexeme();if(void 0!=t){if(e.query.allFields.indexOf(t.str)==-1){var n=e.query.allFields.map(function(e){return"'"+e+"'"}).join(),r="unrecognised field '"+t.str+"', possible fields: "+n;throw new o.QueryParseError(r,t.start,t.end)}e.currentClause.fields=[t.str];var i=e.peekLexeme();if(void 0==i){var r="expecting term, found nothing";throw new o.QueryParseError(r,t.start,t.end)}switch(i.type){case o.QueryLexer.TERM:return o.QueryParser.parseTerm;default:var r="expecting a field, found '"+i.type+"'";throw new o.QueryParseError(r,i.start,i.end)}}},o.QueryParser.parseTerm=function(e){var t=e.consumeLexeme();if(void 0!=t){e.currentClause.term=t.str.toLowerCase(),t.str.indexOf("*")!=-1&&(e.currentClause.usePipeline=!1);var n=e.peekLexeme();if(void 0==n)return void e.nextClause();switch(n.type){case o.QueryLexer.TERM:return e.nextClause(),o.QueryParser.parseTerm;case o.QueryLexer.FIELD:return e.nextClause(),o.QueryParser.parseField;case o.QueryLexer.EDIT_DISTANCE:return o.QueryParser.parseEditDistance;case o.QueryLexer.BOOST:return o.QueryParser.parseBoost;default:var r="Unexpected lexeme type '"+n.type+"'";throw new o.QueryParseError(r,n.start,n.end)}}},o.QueryParser.parseEditDistance=function(e){var t=e.consumeLexeme();if(void 0!=t){var n=parseInt(t.str,10);if(isNaN(n)){var r="edit distance must be numeric";throw new o.QueryParseError(r,t.start,t.end)}e.currentClause.editDistance=n;var i=e.peekLexeme();if(void 0==i)return void e.nextClause();switch(i.type){case o.QueryLexer.TERM:return e.nextClause(),o.QueryParser.parseTerm;case o.QueryLexer.FIELD:return e.nextClause(),o.QueryParser.parseField;case o.QueryLexer.EDIT_DISTANCE:return o.QueryParser.parseEditDistance;case o.QueryLexer.BOOST:return o.QueryParser.parseBoost;default:var r="Unexpected lexeme type '"+i.type+"'";throw new o.QueryParseError(r,i.start,i.end)}}},o.QueryParser.parseBoost=function(e){var t=e.consumeLexeme();if(void 0!=t){var n=parseInt(t.str,10);if(isNaN(n)){var r="boost must be numeric";throw new o.QueryParseError(r,t.start,t.end)}e.currentClause.boost=n;var i=e.peekLexeme();if(void 0==i)return void 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new file mode 100644
index 000000000..1cb9cba26
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a=e[i],c=i==s-1;if("*"==a)r=!0,t.edges[a]=t,t.final=c;else{var u=new o.TokenSet;u.final=c,t.edges[a]=u,t=u,r&&(t.edges["*"]=n)}}return n},o.TokenSet.prototype.toArray=function(){for(var e=[],t=[{prefix:"",node:this}];t.length;){var n=t.pop(),r=Object.keys(n.node.edges),i=r.length;n.node.final&&e.push(n.prefix);for(var o=0;o<i;o++){var s=r[o];t.push({prefix:n.prefix.concat(s),node:n.node.edges[s]})}}return e},o.TokenSet.prototype.toString=function(){if(this._str)return this._str;for(var e=this.final?"1":"0",t=Object.keys(this.edges).sort(),n=t.length,r=0;r<n;r++){var i=t[r],o=this.edges[i];e=e+i+o.id}return e},o.TokenSet.prototype.intersect=function(e){for(var t=new o.TokenSet,n=void 0,r=[{qNode:e,output:t,node:this}];r.length;){n=r.pop();for(var i=Object.keys(n.qNode.edges),s=i.length,a=Object.keys(n.node.edges),c=a.length,u=0;u<s;u++)for(var l=i[u],f=0;f<c;f++){var h=a[f];if(h==l||"*"==l){var d=n.node.edges[h],p=n.qNode.edges[l],m=d.final&&p.final,v=void 0;h in n.output.edges?(v=n.output.edges[h],v.final=v.final||m):(v=new o.TokenSet,v.final=m,n.output.edges[h]=v),r.push({qNode:p,output:v,node:d})}}}return t},o.TokenSet.Builder=function(){this.previousWord="",this.root=new o.TokenSet,this.uncheckedNodes=[],this.minimizedNodes={}},o.TokenSet.Builder.prototype.insert=function(e){var t,n=0;if(e<this.previousWord)throw new Error("Out of order word insertion");for(var r=0;r<e.length&&r<this.previousWord.length&&e[r]==this.previousWord[r];r++)n++;this.minimize(n),t=0==this.uncheckedNodes.length?this.root:this.uncheckedNodes[this.uncheckedNodes.length-1].child;for(var r=n;r<e.length;r++){var i=new o.TokenSet,s=e[r];t.edges[s]=i,this.uncheckedNodes.push({parent:t,char:s,child:i}),t=i}t.final=!0,this.previousWord=e},o.TokenSet.Builder.prototype.finish=function(){this.minimize(0)},o.TokenSet.Builder.prototype.minimize=function(e){for(var t=this.uncheckedNodes.length-1;t>=e;t--){var n=this.uncheckedNodes[t],r=n.child.toString();r in this.minimizedNodes?n.parent.edges[n.char]=this.minimizedNodes[r]:(n.child._str=r,this.minimizedNodes[r]=n.child),this.uncheckedNodes.pop()}},o.Index=function(e){this.invertedIndex=e.invertedIndex,this.documentVectors=e.documentVectors,this.tokenSet=e.tokenSet,this.documentCount=e.documentCount,this.averageDocumentLength=e.averageDocumentLength,this.b=e.b,this.k1=e.k1,this.fields=e.fields,this.pipeline=e.pipeline},o.Index.prototype.search=function(e){return this.query(function(t){var n=new o.QueryParser(e,t);n.parse()})},o.Index.prototype.query=function(e){var t=new o.Query(this.fields),n=Object.create(null),r=new o.Vector;e.call(t,t);for(var i=0;i<t.clauses.length;i++){var s=t.clauses[i],a=null;a=s.usePipeline?this.pipeline.runString(s.term):[s.term];for(var c=0;c<a.length;c++){var u=a[c];s.term=u;for(var l=o.TokenSet.fromClause(s),f=this.tokenSet.intersect(l).toArray(),h=0;h<f.length;h++){var d=f[h],p=this.invertedIndex[d],m=p._index,v=o.idf(p,this.documentCount),y=1,g=v*((this.k1+1)*y)/(this.k1*(1-this.b+this.b*(t.clauses.length/this.averageDocumentLength))+y);r.insert(m,g*s.boost);for(var w=0;w<s.fields.length;w++)for(var b=s.fields[w],_=p[b],x=Object.keys(_),E=0;E<x.length;E++){var k,S,T=x[E];k=_[T],S=new o.MatchData(d,b,k),T in n?n[T].combine(S):n[T]=S}}}}for(var x=Object.keys(n),L=[],i=0;i<x.length;i++){var C=x[i],O=this.documentVectors[C],g=r.similarity(O);L.push({ref:C,score:g,matchData:n[C]})}return L.sort(function(e,t){return t.score-e.score})},o.Index.prototype.toJSON=function(){var e=Object.keys(this.invertedIndex).sort().map(function(e){return[e,this.invertedIndex[e]]},this),t=Object.keys(this.documentVectors).map(function(e){return[e,this.documentVectors[e].toJSON()]},this);return{version:o.version,averageDocumentLength:this.averageDocumentLength,b:this.b,k1:this.k1,fields:this.fields,documentVectors:t,invertedIndex:e,pipeline:this.pipeline.toJSON()}},o.Index.load=function(e){var t={},n={},r=e.documentVectors,i=0,s={},a=e.invertedIndex,c=new o.TokenSet.Builder,u=o.Pipeline.load(e.pipeline);e.version!=o.version&&o.utils.warn("Version mismatch when loading serialised index. Current version of lunr '"+o.version+"' does not match serialized index '"+e.version+"'");for(var l=0;l<r.length;l++,i++){var f=r[l],h=f[0],d=f[1];n[h]=new o.Vector(d)}for(var l=0;l<a.length;l++){var f=a[l],p=f[0],m=f[1];c.insert(p),s[p]=m}return c.finish(),t.b=e.b,t.k1=e.k1,t.fields=e.fields,t.averageDocumentLength=e.averageDocumentLength,t.documentCount=i,t.documentVectors=n,t.invertedIndex=s,t.tokenSet=c.root,t.pipeline=u,new o.Index(t)},o.Builder=function(){this._ref="id",this._fields=[],this.invertedIndex=Object.create(null),this.documentTermFrequencies={},this.documentLengths={},this.tokenizer=o.tokenizer,this.pipeline=new o.Pipeline,this.searchPipeline=new o.Pipeline,this.documentCount=0,this._b=.75,this._k1=1.2,this.termIndex=0,this.metadataWhitelist=[]},o.Builder.prototype.ref=function(e){this._ref=e},o.Builder.prototype.field=function(e){this._fields.push(e)},o.Builder.prototype.b=function(e){e<0?this._b=0:e>1?this._b=1:this._b=e},o.Builder.prototype.k1=function(e){this._k1=e},o.Builder.prototype.add=function(e){var t=e[this._ref],n={};this.documentCount+=1,this.documentTermFrequencies[t]=n,this.documentLengths[t]=0;for(var r=0;r<this._fields.length;r++){var i=this._fields[r],o=e[i],s=this.tokenizer(o),a=this.pipeline.run(s);this.documentLengths[t]+=a.length;for(var c=0;c<a.length;c++){var u=a[c];if(void 0==n[u]&&(n[u]=0),n[u]+=1,void 0==this.invertedIndex[u]){var l=Object.create(null);l._index=this.termIndex,this.termIndex+=1;for(var f=0;f<this._fields.length;f++)l[this._fields[f]]=Object.create(null);this.invertedIndex[u]=l}void 0==this.invertedIndex[u][i][t]&&(this.invertedIndex[u][i][t]=Object.create(null));for(var h=0;h<this.metadataWhitelist.length;h++){var d=this.metadataWhitelist[h],p=u.metadata[d];void 0==this.invertedIndex[u][i][t][d]&&(this.invertedIndex[u][i][t][d]=[]),this.invertedIndex[u][i][t][d].push(p)}}}},o.Builder.prototype.calculateAverageDocumentLengths=function(){for(var e=Object.keys(this.documentLengths),t=e.length,n=0,r=0;r<t;r++){var i=e[r];n+=this.documentLengths[i]}this.averageDocumentLength=n/t},o.Builder.prototype.createDocumentVectors=function(){for(var e={},t=Object.keys(this.documentTermFrequencies),n=t.length,r=0;r<n;r++){for(var i=t[r],s=this.documentLengths[i],a=new o.Vector,c=this.documentTermFrequencies[i],u=Object.keys(c),l=u.length,f=0;f<l;f++){var h=u[f],d=c[h],p=this.invertedIndex[h]._index,m=o.idf(this.invertedIndex[h],this.documentCount),v=m*((this._k1+1)*d)/(this._k1*(1-this._b+this._b*(s/this.averageDocumentLength))+d),y=Math.round(1e3*v)/1e3;a.insert(p,y)}e[i]=a}this.documentVectors=e},o.Builder.prototype.createTokenSet=function(){this.tokenSet=o.TokenSet.fromArray(Object.keys(this.invertedIndex).sort())},o.Builder.prototype.build=function(){return this.calculateAverageDocumentLengths(),this.createDocumentVectors(),this.createTokenSet(),new o.Index({invertedIndex:this.invertedIndex,documentVectors:this.documentVectors,tokenSet:this.tokenSet,averageDocumentLength:this.averageDocumentLength,documentCount:this.documentCount,fields:this._fields,pipeline:this.searchPipeline,b:this._b,k1:this._k1})},o.Builder.prototype.use=function(e){var t=Array.prototype.slice.call(arguments,1);t.unshift(this),e.apply(this,t)},o.MatchData=function(e,t,n){this.metadata={},this.metadata[e]={},this.metadata[e][t]=n},o.MatchData.prototype.combine=function(e){for(var t=Object.keys(e.metadata),n=0;n<t.length;n++){var r=t[n],i=Object.keys(e.metadata[r]);void 0==this.metadata[r]&&(this.metadata[r]={});for(var o=0;o<i.length;o++){var s=i[o],a=Object.keys(e.metadata[r][s]);void 0==this.metadata[r][s]&&(this.metadata[r][s]={});for(var c=0;c<a.length;c++){var u=a[c];void 0==this.metadata[r][s][u]?this.metadata[r][s][u]=e.metadata[r][s][u]:this.metadata[r][s][u]=this.metadata[r][s][u].concat(e.metadata[r][s][u])}}}},o.Query=function(e){this.clauses=[],this.allFields=e},o.Query.prototype.clause=function(e){return"fields"in e||(e.fields=this.allFields),"boost"in e||(e.boost=1),"usePipeline"in e||(e.usePipeline=!0),this.clauses.push(e),this},o.Query.prototype.term=function(e,t){var n=t||{};return n.term=e,this.clause(n),this},o.QueryParseError=function(e,t,n){this.name="QueryParseError",this.message=e,this.start=t,this.end=n},o.QueryParseError.prototype=new Error,o.QueryLexer=function(e){this.lexemes=[],this.str=e,this.length=e.length,this.pos=0,this.start=0},o.QueryLexer.prototype.run=function(){for(var e=o.QueryLexer.lexText;e;)e=e(this)},o.QueryLexer.prototype.emit=function(e){this.lexemes.push({type:e,str:this.str.slice(this.start,this.pos),start:this.start,end:this.pos}),this.start=this.pos},o.QueryLexer.prototype.next=function(){if(this.pos==this.length)return o.QueryLexer.EOS;var e=this.str.charAt(this.pos);return this.pos+=1,e},o.QueryLexer.prototype.width=function(){return this.pos-this.start},o.QueryLexer.prototype.ignore=function(){this.start==this.pos&&(this.pos+=1),this.start=this.pos},o.QueryLexer.prototype.backup=function(){this.pos-=1},o.QueryLexer.prototype.acceptDigitRun=function(){var e,t;do e=this.next(),t=e.charCodeAt(0);while(t>47&&t<58);e!=o.QueryLexer.EOS&&this.backup()},o.QueryLexer.prototype.more=function(){return this.pos<this.length},o.QueryLexer.EOS="EOS",o.QueryLexer.FIELD="FIELD",o.QueryLexer.TERM="TERM",o.QueryLexer.EDIT_DISTANCE="EDIT_DISTANCE",o.QueryLexer.BOOST="BOOST",o.QueryLexer.lexField=function(e){return e.backup(),e.emit(o.QueryLexer.FIELD),e.ignore(),o.QueryLexer.lexText},o.QueryLexer.lexTerm=function(e){
+if(e.width()>1&&(e.backup(),e.emit(o.QueryLexer.TERM)),e.ignore(),e.more())return o.QueryLexer.lexText},o.QueryLexer.lexEditDistance=function(e){return e.ignore(),e.acceptDigitRun(),e.emit(o.QueryLexer.EDIT_DISTANCE),o.QueryLexer.lexText},o.QueryLexer.lexBoost=function(e){return e.ignore(),e.acceptDigitRun(),e.emit(o.QueryLexer.BOOST),o.QueryLexer.lexText},o.QueryLexer.lexEOS=function(e){e.width()>0&&e.emit(o.QueryLexer.TERM)},o.QueryLexer.termSeparator=o.tokenizer.separator,o.QueryLexer.lexText=function(e){for(;;){var t=e.next();if(t==o.QueryLexer.EOS)return o.QueryLexer.lexEOS;if(":"==t)return o.QueryLexer.lexField;if("~"==t)return e.backup(),e.width()>0&&e.emit(o.QueryLexer.TERM),o.QueryLexer.lexEditDistance;if("^"==t)return e.backup(),e.width()>0&&e.emit(o.QueryLexer.TERM),o.QueryLexer.lexBoost;if(t.match(o.QueryLexer.termSeparator))return o.QueryLexer.lexTerm}},o.QueryParser=function(e,t){this.lexer=new o.QueryLexer(e),this.query=t,this.currentClause={},this.lexemeIdx=0},o.QueryParser.prototype.parse=function(){this.lexer.run(),this.lexemes=this.lexer.lexemes;for(var e=o.QueryParser.parseFieldOrTerm;e;)e=e(this);return this.query},o.QueryParser.prototype.peekLexeme=function(){return this.lexemes[this.lexemeIdx]},o.QueryParser.prototype.consumeLexeme=function(){var e=this.peekLexeme();return this.lexemeIdx+=1,e},o.QueryParser.prototype.nextClause=function(){var e=this.currentClause;this.query.clause(e),this.currentClause={}},o.QueryParser.parseFieldOrTerm=function(e){var t=e.peekLexeme();if(void 0!=t)switch(t.type){case o.QueryLexer.FIELD:return o.QueryParser.parseField;case o.QueryLexer.TERM:return o.QueryParser.parseTerm;default:var n="expected either a field or a term, found "+t.type+" with value '"+t.str+"'";throw new o.QueryParseError(n,t.start,t.end)}},o.QueryParser.parseField=function(e){var t=e.consumeLexeme();if(void 0!=t){if(e.query.allFields.indexOf(t.str)==-1){var n=e.query.allFields.map(function(e){return"'"+e+"'"}).join(),r="unrecognised field '"+t.str+"', possible fields: "+n;throw new o.QueryParseError(r,t.start,t.end)}e.currentClause.fields=[t.str];var i=e.peekLexeme();if(void 0==i){var r="expecting term, found nothing";throw new o.QueryParseError(r,t.start,t.end)}switch(i.type){case o.QueryLexer.TERM:return o.QueryParser.parseTerm;default:var r="expecting a field, found '"+i.type+"'";throw new o.QueryParseError(r,i.start,i.end)}}},o.QueryParser.parseTerm=function(e){var t=e.consumeLexeme();if(void 0!=t){e.currentClause.term=t.str.toLowerCase(),t.str.indexOf("*")!=-1&&(e.currentClause.usePipeline=!1);var n=e.peekLexeme();if(void 0==n)return void e.nextClause();switch(n.type){case o.QueryLexer.TERM:return e.nextClause(),o.QueryParser.parseTerm;case o.QueryLexer.FIELD:return e.nextClause(),o.QueryParser.parseField;case o.QueryLexer.EDIT_DISTANCE:return o.QueryParser.parseEditDistance;case o.QueryLexer.BOOST:return o.QueryParser.parseBoost;default:var r="Unexpected lexeme type '"+n.type+"'";throw new o.QueryParseError(r,n.start,n.end)}}},o.QueryParser.parseEditDistance=function(e){var t=e.consumeLexeme();if(void 0!=t){var n=parseInt(t.str,10);if(isNaN(n)){var r="edit distance must be numeric";throw new o.QueryParseError(r,t.start,t.end)}e.currentClause.editDistance=n;var i=e.peekLexeme();if(void 0==i)return void e.nextClause();switch(i.type){case o.QueryLexer.TERM:return e.nextClause(),o.QueryParser.parseTerm;case o.QueryLexer.FIELD:return e.nextClause(),o.QueryParser.parseField;case o.QueryLexer.EDIT_DISTANCE:return o.QueryParser.parseEditDistance;case o.QueryLexer.BOOST:return o.QueryParser.parseBoost;default:var r="Unexpected lexeme type '"+i.type+"'";throw new o.QueryParseError(r,i.start,i.end)}}},o.QueryParser.parseBoost=function(e){var t=e.consumeLexeme();if(void 0!=t){var n=parseInt(t.str,10);if(isNaN(n)){var r="boost must be numeric";throw new 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diff --git a/material/assets/stylesheets/application-0a3e9e1c07.palette.css b/material/assets/stylesheets/application-0a3e9e1c07.palette.css
new file mode 100644
index 000000000..8ce46eb48
--- /dev/null
+++ b/material/assets/stylesheets/application-0a3e9e1c07.palette.css
@@ -0,0 +1 @@
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diff --git a/material/assets/stylesheets/application-f78e5cb881.palette.css b/material/assets/stylesheets/application-f78e5cb881.palette.css
deleted file mode 100644
index 69bbee085..000000000
--- a/material/assets/stylesheets/application-f78e5cb881.palette.css
+++ /dev/null
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.md-typeset [id]:hover .headerlink:hover,[data-md-color-accent=green] .md-typeset [id]:target .headerlink{color:#00c853}[data-md-color-accent=green] .md-search__scrollwrap::-webkit-scrollbar-thumb:hover{background-color:#00c853}[data-md-color-accent=green] .md-search-result__link:hover,[data-md-color-accent=green] .md-search-result__link[data-md-state=active]{background-color:rgba(0,200,83,.1)}[data-md-color-accent=green] .md-sidebar__scrollwrap::-webkit-scrollbar-thumb:hover{background-color:#00c853}[data-md-color-accent=green] .md-source-file:hover:before{background-color:#00c853}button[data-md-color-accent=light-green]{background-color:#64dd17}[data-md-color-accent=light-green] .md-typeset a:active,[data-md-color-accent=light-green] .md-typeset a:hover{color:#64dd17}[data-md-color-accent=light-green] .md-typeset .codehilite::-webkit-scrollbar-thumb:hover,[data-md-color-accent=light-green] .md-typeset 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.md-source-file:hover:before{background-color:#64dd17}button[data-md-color-accent=lime]{background-color:#aeea00}[data-md-color-accent=lime] .md-typeset a:active,[data-md-color-accent=lime] .md-typeset a:hover{color:#aeea00}[data-md-color-accent=lime] .md-typeset .codehilite::-webkit-scrollbar-thumb:hover,[data-md-color-accent=lime] .md-typeset pre::-webkit-scrollbar-thumb:hover{background-color:#aeea00}[data-md-color-accent=lime] .md-nav__link:hover,[data-md-color-accent=lime] .md-typeset .footnote li:hover .footnote-backref:hover,[data-md-color-accent=lime] .md-typeset .footnote li:target .footnote-backref,[data-md-color-accent=lime] .md-typeset [id] .headerlink:focus,[data-md-color-accent=lime] .md-typeset [id]:hover .headerlink:hover,[data-md-color-accent=lime] .md-typeset [id]:target .headerlink{color:#aeea00}[data-md-color-accent=lime] .md-search__scrollwrap::-webkit-scrollbar-thumb:hover{background-color:#aeea00}[data-md-color-accent=lime] .md-search-result__link:hover,[data-md-color-accent=lime] .md-search-result__link[data-md-state=active]{background-color:rgba(174,234,0,.1)}[data-md-color-accent=lime] .md-sidebar__scrollwrap::-webkit-scrollbar-thumb:hover{background-color:#aeea00}[data-md-color-accent=lime] .md-source-file:hover:before{background-color:#aeea00}button[data-md-color-accent=yellow]{background-color:#ffd600}[data-md-color-accent=yellow] .md-typeset a:active,[data-md-color-accent=yellow] .md-typeset a:hover{color:#ffd600}[data-md-color-accent=yellow] .md-typeset .codehilite::-webkit-scrollbar-thumb:hover,[data-md-color-accent=yellow] .md-typeset pre::-webkit-scrollbar-thumb:hover{background-color:#ffd600}[data-md-color-accent=yellow] .md-nav__link:hover,[data-md-color-accent=yellow] .md-typeset .footnote li:hover .footnote-backref:hover,[data-md-color-accent=yellow] .md-typeset .footnote li:target .footnote-backref,[data-md-color-accent=yellow] .md-typeset [id] .headerlink:focus,[data-md-color-accent=yellow] .md-typeset [id]:hover .headerlink:hover,[data-md-color-accent=yellow] .md-typeset [id]:target .headerlink{color:#ffd600}[data-md-color-accent=yellow] .md-search__scrollwrap::-webkit-scrollbar-thumb:hover{background-color:#ffd600}[data-md-color-accent=yellow] .md-search-result__link:hover,[data-md-color-accent=yellow] .md-search-result__link[data-md-state=active]{background-color:rgba(255,214,0,.1)}[data-md-color-accent=yellow] .md-sidebar__scrollwrap::-webkit-scrollbar-thumb:hover{background-color:#ffd600}[data-md-color-accent=yellow] .md-source-file:hover:before{background-color:#ffd600}button[data-md-color-accent=amber]{background-color:#ffab00}[data-md-color-accent=amber] .md-typeset a:active,[data-md-color-accent=amber] .md-typeset a:hover{color:#ffab00}[data-md-color-accent=amber] .md-typeset .codehilite::-webkit-scrollbar-thumb:hover,[data-md-color-accent=amber] .md-typeset pre::-webkit-scrollbar-thumb:hover{background-color:#ffab00}[data-md-color-accent=amber] .md-nav__link:hover,[data-md-color-accent=amber] .md-typeset .footnote li:hover .footnote-backref:hover,[data-md-color-accent=amber] .md-typeset .footnote li:target .footnote-backref,[data-md-color-accent=amber] .md-typeset [id] .headerlink:focus,[data-md-color-accent=amber] .md-typeset [id]:hover .headerlink:hover,[data-md-color-accent=amber] .md-typeset [id]:target .headerlink{color:#ffab00}[data-md-color-accent=amber] .md-search__scrollwrap::-webkit-scrollbar-thumb:hover{background-color:#ffab00}[data-md-color-accent=amber] .md-search-result__link:hover,[data-md-color-accent=amber] .md-search-result__link[data-md-state=active]{background-color:rgba(255,171,0,.1)}[data-md-color-accent=amber] .md-sidebar__scrollwrap::-webkit-scrollbar-thumb:hover{background-color:#ffab00}[data-md-color-accent=amber] .md-source-file:hover:before{background-color:#ffab00}button[data-md-color-accent=orange]{background-color:#ff9100}[data-md-color-accent=orange] .md-typeset a:active,[data-md-color-accent=orange] .md-typeset a:hover{color:#ff9100}[data-md-color-accent=orange] .md-typeset .codehilite::-webkit-scrollbar-thumb:hover,[data-md-color-accent=orange] .md-typeset pre::-webkit-scrollbar-thumb:hover{background-color:#ff9100}[data-md-color-accent=orange] .md-nav__link:hover,[data-md-color-accent=orange] .md-typeset .footnote li:hover .footnote-backref:hover,[data-md-color-accent=orange] .md-typeset .footnote li:target .footnote-backref,[data-md-color-accent=orange] .md-typeset [id] .headerlink:focus,[data-md-color-accent=orange] .md-typeset [id]:hover .headerlink:hover,[data-md-color-accent=orange] .md-typeset [id]:target .headerlink{color:#ff9100}[data-md-color-accent=orange] .md-search__scrollwrap::-webkit-scrollbar-thumb:hover{background-color:#ff9100}[data-md-color-accent=orange] .md-search-result__link:hover,[data-md-color-accent=orange] .md-search-result__link[data-md-state=active]{background-color:rgba(255,145,0,.1)}[data-md-color-accent=orange] .md-sidebar__scrollwrap::-webkit-scrollbar-thumb:hover{background-color:#ff9100}[data-md-color-accent=orange] .md-source-file:hover:before{background-color:#ff9100}button[data-md-color-accent=deep-orange]{background-color:#ff6e40}[data-md-color-accent=deep-orange] .md-typeset a:active,[data-md-color-accent=deep-orange] .md-typeset a:hover{color:#ff6e40}[data-md-color-accent=deep-orange] .md-typeset .codehilite::-webkit-scrollbar-thumb:hover,[data-md-color-accent=deep-orange] .md-typeset pre::-webkit-scrollbar-thumb:hover{background-color:#ff6e40}[data-md-color-accent=deep-orange] .md-nav__link:hover,[data-md-color-accent=deep-orange] .md-typeset .footnote li:hover .footnote-backref:hover,[data-md-color-accent=deep-orange] .md-typeset .footnote li:target .footnote-backref,[data-md-color-accent=deep-orange] .md-typeset [id] .headerlink:focus,[data-md-color-accent=deep-orange] .md-typeset [id]:hover .headerlink:hover,[data-md-color-accent=deep-orange] .md-typeset [id]:target .headerlink{color:#ff6e40}[data-md-color-accent=deep-orange] .md-search__scrollwrap::-webkit-scrollbar-thumb:hover{background-color:#ff6e40}[data-md-color-accent=deep-orange] .md-search-result__link:hover,[data-md-color-accent=deep-orange] .md-search-result__link[data-md-state=active]{background-color:rgba(255,110,64,.1)}[data-md-color-accent=deep-orange] .md-sidebar__scrollwrap::-webkit-scrollbar-thumb:hover{background-color:#ff6e40}[data-md-color-accent=deep-orange] .md-source-file:hover:before{background-color:#ff6e40}@media only screen and (max-width:59.9375em){[data-md-color-primary=red] .md-nav__source{background-color:rgba(190,66,64,.9675)}[data-md-color-primary=pink] .md-nav__source{background-color:rgba(185,24,79,.9675)}[data-md-color-primary=purple] .md-nav__source{background-color:rgba(136,57,150,.9675)}[data-md-color-primary=deep-purple] .md-nav__source{background-color:rgba(100,69,154,.9675)}[data-md-color-primary=indigo] .md-nav__source{background-color:rgba(50,64,144,.9675)}[data-md-color-primary=blue] .md-nav__source{background-color:rgba(26,119,193,.9675)}[data-md-color-primary=light-blue] .md-nav__source{background-color:rgba(2,134,194,.9675)}[data-md-color-primary=cyan] .md-nav__source{background-color:rgba(0,150,169,.9675)}[data-md-color-primary=teal] .md-nav__source{background-color:rgba(0,119,108,.9675)}[data-md-color-primary=green] .md-nav__source{background-color:rgba(60,139,64,.9675)}[data-md-color-primary=light-green] .md-nav__source{background-color:rgba(99,142,53,.9675)}[data-md-color-primary=lime] .md-nav__source{background-color:rgba(153,161,41,.9675)}[data-md-color-primary=yellow] .md-nav__source{background-color:rgba(198,134,29,.9675)}[data-md-color-primary=amber] .md-nav__source{background-color:rgba(203,142,0,.9675)}[data-md-color-primary=orange] .md-nav__source{background-color:rgba(200,111,0,.9675)}[data-md-color-primary=deep-orange] .md-nav__source{background-color:rgba(203,89,53,.9675)}[data-md-color-primary=brown] .md-nav__source{background-color:rgba(96,68,57,.9675)}[data-md-color-primary=grey] .md-nav__source{background-color:rgba(93,93,93,.9675)}[data-md-color-primary=blue-grey] .md-nav__source{background-color:rgba(67,88,97,.9675)}}@media only screen and (max-width:76.1875em){html [data-md-color-primary=red] .md-nav--primary .md-nav__title--site{background-color:#ef5350}html [data-md-color-primary=pink] .md-nav--primary .md-nav__title--site{background-color:#e91e63}html [data-md-color-primary=purple] .md-nav--primary .md-nav__title--site{background-color:#ab47bc}html [data-md-color-primary=deep-purple] .md-nav--primary .md-nav__title--site{background-color:#7e57c2}html [data-md-color-primary=indigo] .md-nav--primary .md-nav__title--site{background-color:#3f51b5}html [data-md-color-primary=blue] .md-nav--primary .md-nav__title--site{background-color:#2196f3}html [data-md-color-primary=light-blue] .md-nav--primary .md-nav__title--site{background-color:#03a9f4}html [data-md-color-primary=cyan] .md-nav--primary .md-nav__title--site{background-color:#00bcd4}html [data-md-color-primary=teal] .md-nav--primary .md-nav__title--site{background-color:#009688}html [data-md-color-primary=green] .md-nav--primary .md-nav__title--site{background-color:#4caf50}html [data-md-color-primary=light-green] .md-nav--primary .md-nav__title--site{background-color:#7cb342}html [data-md-color-primary=lime] .md-nav--primary .md-nav__title--site{background-color:#c0ca33}html [data-md-color-primary=yellow] .md-nav--primary .md-nav__title--site{background-color:#f9a825}html [data-md-color-primary=amber] .md-nav--primary .md-nav__title--site{background-color:#ffb300}html [data-md-color-primary=orange] .md-nav--primary .md-nav__title--site{background-color:#fb8c00}html [data-md-color-primary=deep-orange] .md-nav--primary .md-nav__title--site{background-color:#ff7043}html [data-md-color-primary=brown] .md-nav--primary .md-nav__title--site{background-color:#795548}html [data-md-color-primary=grey] .md-nav--primary .md-nav__title--site{background-color:#757575}html [data-md-color-primary=blue-grey] .md-nav--primary .md-nav__title--site{background-color:#546e7a}}@media only screen and (min-width:60em){[data-md-color-primary=red] .md-nav--secondary{border-left:.4rem solid #ef5350}[data-md-color-primary=pink] .md-nav--secondary{border-left:.4rem solid #e91e63}[data-md-color-primary=purple] .md-nav--secondary{border-left:.4rem solid #ab47bc}[data-md-color-primary=deep-purple] .md-nav--secondary{border-left:.4rem solid #7e57c2}[data-md-color-primary=indigo] .md-nav--secondary{border-left:.4rem solid #3f51b5}[data-md-color-primary=blue] .md-nav--secondary{border-left:.4rem solid #2196f3}[data-md-color-primary=light-blue] .md-nav--secondary{border-left:.4rem solid #03a9f4}[data-md-color-primary=cyan] .md-nav--secondary{border-left:.4rem solid #00bcd4}[data-md-color-primary=teal] .md-nav--secondary{border-left:.4rem solid #009688}[data-md-color-primary=green] .md-nav--secondary{border-left:.4rem solid #4caf50}[data-md-color-primary=light-green] .md-nav--secondary{border-left:.4rem solid #7cb342}[data-md-color-primary=lime] .md-nav--secondary{border-left:.4rem solid #c0ca33}[data-md-color-primary=yellow] .md-nav--secondary{border-left:.4rem solid #f9a825}[data-md-color-primary=amber] .md-nav--secondary{border-left:.4rem solid #ffb300}[data-md-color-primary=orange] .md-nav--secondary{border-left:.4rem solid #fb8c00}[data-md-color-primary=deep-orange] .md-nav--secondary{border-left:.4rem solid #ff7043}[data-md-color-primary=brown] .md-nav--secondary{border-left:.4rem solid #795548}[data-md-color-primary=grey] .md-nav--secondary{border-left:.4rem solid #757575}[data-md-color-primary=blue-grey] .md-nav--secondary{border-left:.4rem solid #546e7a}}@media only screen and (min-width:76.25em){[data-md-color-primary=red] .md-tabs{background:rgba(190,66,64,.9675)}[data-md-color-primary=red] .md-tabs[data-md-state=hidden]{background:#ef5350}[data-md-color-primary=pink] .md-tabs{background:rgba(185,24,79,.9675)}[data-md-color-primary=pink] .md-tabs[data-md-state=hidden]{background:#e91e63}[data-md-color-primary=purple] .md-tabs{background:rgba(136,57,150,.9675)}[data-md-color-primary=purple] .md-tabs[data-md-state=hidden]{background:#ab47bc}[data-md-color-primary=deep-purple] .md-tabs{background:rgba(100,69,154,.9675)}[data-md-color-primary=deep-purple] .md-tabs[data-md-state=hidden]{background:#7e57c2}[data-md-color-primary=indigo] .md-tabs{background:rgba(50,64,144,.9675)}[data-md-color-primary=indigo] .md-tabs[data-md-state=hidden]{background:#3f51b5}[data-md-color-primary=blue] .md-tabs{background:rgba(26,119,193,.9675)}[data-md-color-primary=blue] .md-tabs[data-md-state=hidden]{background:#2196f3}[data-md-color-primary=light-blue] .md-tabs{background:rgba(2,134,194,.9675)}[data-md-color-primary=light-blue] .md-tabs[data-md-state=hidden]{background:#03a9f4}[data-md-color-primary=cyan] .md-tabs{background:rgba(0,150,169,.9675)}[data-md-color-primary=cyan] .md-tabs[data-md-state=hidden]{background:#00bcd4}[data-md-color-primary=teal] .md-tabs{background:rgba(0,119,108,.9675)}[data-md-color-primary=teal] .md-tabs[data-md-state=hidden]{background:#009688}[data-md-color-primary=green] .md-tabs{background:rgba(60,139,64,.9675)}[data-md-color-primary=green] .md-tabs[data-md-state=hidden]{background:#4caf50}[data-md-color-primary=light-green] .md-tabs{background:rgba(99,142,53,.9675)}[data-md-color-primary=light-green] .md-tabs[data-md-state=hidden]{background:#7cb342}[data-md-color-primary=lime] .md-tabs{background:rgba(153,161,41,.9675)}[data-md-color-primary=lime] .md-tabs[data-md-state=hidden]{background:#c0ca33}[data-md-color-primary=yellow] .md-tabs{background:rgba(198,134,29,.9675)}[data-md-color-primary=yellow] .md-tabs[data-md-state=hidden]{background:#f9a825}[data-md-color-primary=amber] .md-tabs{background:rgba(203,142,0,.9675)}[data-md-color-primary=amber] .md-tabs[data-md-state=hidden]{background:#ffb300}[data-md-color-primary=orange] .md-tabs{background:rgba(200,111,0,.9675)}[data-md-color-primary=orange] .md-tabs[data-md-state=hidden]{background:#fb8c00}[data-md-color-primary=deep-orange] .md-tabs{background:rgba(203,89,53,.9675)}[data-md-color-primary=deep-orange] .md-tabs[data-md-state=hidden]{background:#ff7043}[data-md-color-primary=brown] .md-tabs{background:rgba(96,68,57,.9675)}[data-md-color-primary=brown] .md-tabs[data-md-state=hidden]{background:#795548}[data-md-color-primary=grey] .md-tabs{background:rgba(93,93,93,.9675)}[data-md-color-primary=grey] .md-tabs[data-md-state=hidden]{background:#757575}[data-md-color-primary=blue-grey] .md-tabs{background:rgba(67,88,97,.9675)}[data-md-color-primary=blue-grey] .md-tabs[data-md-state=hidden]{background:#546e7a}}
\ No newline at end of file
diff --git a/material/base.html b/material/base.html
index 31bce5575..397141cc4 100644
--- a/material/base.html
+++ b/material/base.html
@@ -38,9 +38,9 @@
       <script src="{{ base_url }}/assets/javascripts/modernizr-56ade86843.js"></script>
     {% endblock %}
     {% block styles %}
-      <link rel="stylesheet" href="{{ base_url }}/assets/stylesheets/application-e2807e330f.css">
+      <link rel="stylesheet" href="{{ base_url }}/assets/stylesheets/application-99e13a48f0.css">
       {% if config.extra.palette %}
-        <link rel="stylesheet" href="{{ base_url }}/assets/stylesheets/application-f78e5cb881.palette.css">
+        <link rel="stylesheet" href="{{ base_url }}/assets/stylesheets/application-0a3e9e1c07.palette.css">
       {% endif %}
     {% endblock %}
     {% block fonts %}
@@ -149,7 +149,7 @@
       {% endblock %}
     </div>
     {% block scripts %}
-      <script src="{{ base_url }}/assets/javascripts/application-6b599127bc.js"></script>
+      <script src="{{ base_url }}/assets/javascripts/application-876a5cae0c.js"></script>
       <script>app.initialize({url:{base:"{{ base_url }}"}})</script>
       {% for path in extra_javascript %}
         <script src="{{ path }}"></script>
diff --git a/mkdocs.yml b/mkdocs.yml
index b52dd74c2..4a9215c94 100755
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -94,3 +94,6 @@ pages:
 google_analytics:
   - !!python/object/apply:os.getenv ["GOOGLE_ANALYTICS_KEY"]
   - auto
+
+extra_javascript:
+  - https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/1.6.1/clipboard.min.js
diff --git a/src/assets/javascripts/application.js b/src/assets/javascripts/application.js
index bb9572d25..412809f10 100644
--- a/src/assets/javascripts/application.js
+++ b/src/assets/javascripts/application.js
@@ -81,6 +81,47 @@ function initialize(config) { // eslint-disable-line func-style
         })
       })
     }
+
+    /* If Clipboard.js is available, inject "copy to clipboard" overlays
+       and attach Clipboard to copy the code.
+       Handle both div.codehilite>pre and pre>code. */
+    // $FlowFixMe
+    if (typeof Clipboard !== "undefined" &&
+        Clipboard.isSupported()) { // eslint-disable-line no-undef
+      const blocks = document.querySelectorAll(
+        "div.codehilite>pre,pre.codehilite>code")
+      let i = 0
+      Array.prototype.forEach.call(blocks, code => {
+        const parent = code.parentNode
+        const codeId = `hl_code${i}`
+        const btn = document.createElement("button")
+        const icon = document.createElement("i")
+        parent.id = codeId
+        icon.setAttribute("class", "md-icon md-icon--clipboard")
+        btn.appendChild(icon)
+        btn.setAttribute("class", "clip-btn")
+        btn.setAttribute("data-clipboard-target",
+          `#${codeId} pre, #${codeId} code`)
+        btn.setAttribute("aria-label", "Copy to Clipboard.")
+        new Material.Event.Listener(btn, "mouseleave", e => {
+          e.currentTarget.setAttribute("class","clip-btn")
+          e.currentTarget.setAttribute("aria-label", "Copy to Clipboard.")
+        }).listen()
+        parent.insertBefore(btn, parent.childNodes[0])
+        i += 1
+      })
+      const cBoard = new Clipboard(".clip-btn") // eslint-disable-line no-undef
+      cBoard.on("success", e => {
+        e.clearSelection()
+        e.trigger.setAttribute("aria-label", "Copied!")
+        e.trigger.setAttribute("class", "clip-btn clip-tip")
+      })
+      cBoard.on("error", e => {
+        e.clearSelection()
+        e.trigger.setAttribute("aria-label", "Copy Failed!")
+        e.trigger.setAttribute("class", "clip-btn clip-tip")
+      })
+    }
   }).listen()
 
   /* Component: header shadow toggle */
diff --git a/src/assets/stylesheets/application.palette.scss b/src/assets/stylesheets/application.palette.scss
index 4ea84e526..31d85eb1b 100644
--- a/src/assets/stylesheets/application.palette.scss
+++ b/src/assets/stylesheets/application.palette.scss
@@ -103,6 +103,11 @@ button[data-md-color-accent] {
       background-color: $color;
     }
 
+    // Copy to clipboard button overlay.
+    .codehilite:hover .clip-btn:hover {
+      background-color: $color;
+    }
+
     // Current or hovered link
     .md-nav__link:active,
     .md-nav__item--active > .md-nav__link {
diff --git a/src/assets/stylesheets/application.scss b/src/assets/stylesheets/application.scss
index ed4c37bd0..08bf5e13c 100644
--- a/src/assets/stylesheets/application.scss
+++ b/src/assets/stylesheets/application.scss
@@ -56,6 +56,8 @@
 @import "extensions/footnotes";
 @import "extensions/permalinks";
 
+@import "clipboardjs/clipboardjs";
+
 @import "extensions/pymdown/arithmatex";
 @import "extensions/pymdown/critic";
 @import "extensions/pymdown/emoji";
diff --git a/src/assets/stylesheets/base/_icons.scss b/src/assets/stylesheets/base/_icons.scss
index 06c43b016..96ad59e75 100644
--- a/src/assets/stylesheets/base/_icons.scss
+++ b/src/assets/stylesheets/base/_icons.scss
@@ -57,7 +57,8 @@
     "arrow_forward": "arrow-forward",
     "menu": "menu",
     "search": "search",
-    "school": "home"
+    "school": "home",
+    "assignment": "clipboard"
   ) {
     &--#{$name}::before {
       content: $ligature;
diff --git a/src/assets/stylesheets/clipboardjs/_clipboardjs.scss b/src/assets/stylesheets/clipboardjs/_clipboardjs.scss
new file mode 100644
index 000000000..ef5bc7217
--- /dev/null
+++ b/src/assets/stylesheets/clipboardjs/_clipboardjs.scss
@@ -0,0 +1,104 @@
+////
+/// Copyright (c) 2016-2017 Martin Donath <martin.donath@squidfunk.com>
+///
+/// Permission is hereby granted, free of charge, to any person obtaining a
+/// copy of this software and associated documentation files (the "Software"),
+/// to deal in the Software without restriction, including without limitation
+/// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+/// and/or sell copies of the Software, and to permit persons to whom the
+/// Software is furnished to do so, subject to the following conditions:
+///
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+///
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+/// DEALINGS
+////
+
+$clip-btn-background: #C4C4C4;
+$clip-tip-background: #404040;
+
+// ----------------------------------------------------------------------------
+// Rules
+// ----------------------------------------------------------------------------
+.md-typeset {
+
+  // Render muted when hovering over code and
+  // render fully when hovering over the button.
+  .codehilite {
+    &:hover {
+      .clip-btn {
+        transition: opacity 0.3s;
+        opacity: 0.4;
+
+        &:hover {
+          transition: opacity 0.1s;
+          background-color: $md-color-primary;
+          opacity: 1;
+        }
+      }
+    }
+  }
+
+  // Clipboard button object.
+  .clip-btn {
+    @include z-depth(2);
+
+    display: inline-block;
+    position: absolute;
+    top: 0.2rem;
+    right: 0.2rem;
+    width: 3.2rem;
+    height: 3.2rem;
+    transition: opacity 0.3s;
+    border-radius: 50%;
+    background-color: $clip-btn-background;
+    color: $md-color-white;
+    cursor: pointer;
+    opacity: 0;
+    overflow: visible;
+
+    .md-icon--clipboard {
+      position: relative;
+      top: 0.1rem;
+      font-size: 1.8rem;
+    }
+  }
+
+  // Tooltips for messages when a copy is successful or fails.
+  // Render it to the left as somtimes it is in a code table which
+  // cuts off the right, or on the edge of the screen with mobile.
+  .clip-tip {
+    &::after {
+      position: absolute;
+      top: 0.3rem;
+      left: 0;
+      padding: 0.6rem 1rem;
+      transform: translateX(-112%) translateY(0);
+      transition: opacity 0.2s;
+      border-radius: 0.2rem;
+      background: $clip-tip-background;
+      color: $md-color-white;
+      font-size: ms(-1);
+      font-weight: 700;
+      white-space: nowrap;
+      content: attr(aria-label);
+      opacity: 1;
+      visibility: hidden;
+    }
+
+    &:hover {
+      &::after {
+        display: block;
+        transform: translateX(-110%) translateY(0);
+        opacity: 0.9;
+        visibility: visible;
+      }
+    }
+  }
+}
diff --git a/src/assets/stylesheets/extensions/_codehilite.scss b/src/assets/stylesheets/extensions/_codehilite.scss
index c2c97bc75..18d8ac2d9 100644
--- a/src/assets/stylesheets/extensions/_codehilite.scss
+++ b/src/assets/stylesheets/extensions/_codehilite.scss
@@ -216,15 +216,23 @@ $codehilite-whitespace: transparent;
   // If code blocks are wrapped with codehilite, the styles must be adjusted
   // so the marker stretches to the whole width and the padding is respected
   .codehilite {
+    position: relative;
     margin: 1em 0;
-    padding: 1rem 1.2rem 0.8rem;
+    padding: 0;
     border-radius: 0.2rem;
     background-color: $md-code-background;
     color: $md-code-color;
     line-height: 1.4;
-    overflow: auto;
+    overflow: visible;
     -webkit-overflow-scrolling: touch;
 
+    // Avoid current behaviour where all '[id]:before' are 
+    // 'display: inline-block'. This becomes a problem when clipboard overlay
+    // is applied.
+    &[id]::before {
+      display: inline;
+    }
+
     // Override native scrollbar styles
     &::-webkit-scrollbar {
       width: 0.4rem;
@@ -241,19 +249,27 @@ $codehilite-whitespace: transparent;
       }
     }
 
-    // Hack: set pre-tag to inline-block, in order to stetch the content on
-    // overflow correctly to the whole width
     pre {
-      display: inline-block;
       min-width: 100%;
       margin: 0;
-      padding: 0;
+      padding: 1rem 1.2rem 0.8rem;
       background-color: transparent;
-      overflow: visible;
+      overflow: auto;
       vertical-align: top;
     }
   }
 
+  // If not using Pygments, code will be under pre>code
+  pre.codehilite {
+    overflow: visible;
+
+    code {
+      display: block;
+      padding: 1rem 1.2rem 0.8rem;
+      overflow: auto;
+    }
+  }
+
   // Block with line numbers
   .codehilitetable {
     display: block;
diff --git a/src/base.html b/src/base.html
index 74eacd5c5..a9f5488ca 100644
--- a/src/base.html
+++ b/src/base.html
@@ -277,7 +277,7 @@
     {% block scripts %}
       <script src="{{ base_url }}/assets/javascripts/application.js"></script>
       <script>
-        app.initialize({ url: { base: "{{ base_url }}", } });
+        app.initialize({ url: { base: "{{ base_url }}" } });
       </script>
       {% for path in extra_javascript %}
         <script src="{{ path }}"></script>