mkdocs-material/src/assets/stylesheets/extensions/_admonition.scss

////
/// Copyright (c) 2016 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
////

// ----------------------------------------------------------------------------
// Rules
// ----------------------------------------------------------------------------

// Admonition extension
.admonition {
  position: relative;
  margin: 2.0rem 0;
  padding: 0.8rem 1.6rem;
  border-left: px2rem(32px) solid $clr-blue-a200;
  border-radius: px2rem(2px);
  background: transparentize($clr-blue-a200, 0.95);

  // Icon
  &::before {
    display: block;
    position: absolute;     // TODO: inherit icon!
    top: 0.2rem;
    left: -2.6rem;
    float: left;
    color: $md-color-white;
    font-family: "Material Icons";
    font-size: 2.0rem;
    font-weight: normal;
    content: "edit";
    vertical-align: -0.1em;
  }

  // Title
  &-title {
    color: $clr-blue-a400;
    font-size: ms(-1);
    font-weight: 700;
    line-height: 2;
    text-transform: uppercase;

    // Ensure smaller spacing to next element
    html & {
      margin-bottom: 1.6rem;
    }

    // Ensure smaller spacing to next element
    html & + * {
      margin-top: 1.6rem;
    }
  }

  // Remove spacing on first element
  :first-child {
    margin-top: 0;
  }

  // Remove spacing on last element
  :last-child {
    margin-bottom: 0;
  }

  // Build representational classes
  @each $names, $appearance in (
    summary tldr: $clr-light-blue-a400 "subject",
    tip idea: $clr-teal-a700 "whatshot",
    success check done: $clr-green-a400 "done",
    warning warn: $clr-orange-a400 "warning",
    failure fail missing: $clr-red-a200 "clear",
    danger fatal: $clr-red-a400 "flash_on",
    error bug: $clr-pink-a400 "bug_report"
  ) {
    $tint: nth($appearance, 1);
    $icon: nth($appearance, 2);

    // Define base class
    &%#{nth($names, 1)},
    &.#{nth($names, 1)} {
      border-color: $tint;
      background: transparentize($tint, 0.95);

      // Icon
      &::before {
        content: $icon;
      }

      // Set color for title
      .admonition-title {
        color: $tint;
      }
    }

    // Define synonyms for base class
    @if length($names) > 1 {
      @for $n from 2 through length($names) {
        &.#{nth($names, $n)} {
          @extend .admonition%#{nth($names, 1)};
        }
      }
    }
  }
}