mkdocs-material/src/assets/stylesheets/main/layout/_source.scss

////
/// Copyright (c) 2016-2021 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
////

// ----------------------------------------------------------------------------
// Keyframes
// ----------------------------------------------------------------------------

// Show repository facts
@keyframes md-source__facts--done {
  0% {
    height: 0;
  }

  100% {
    height: px2rem(13px);
  }
}

// Show repository fact
@keyframes md-source__fact--done {
  0% {
    transform: translateY(100%);
    opacity: 0;
  }

  50% {
    opacity: 0;
  }

  100% {
    transform: translateY(0%);
    opacity: 1;
  }
}

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

// Icon definitions
:root {
  --md-source-forks-icon: svg-load("octicons/repo-forked-16.svg");
  --md-source-repositories-icon: svg-load("octicons/repo-16.svg");
  --md-source-stars-icon: svg-load("octicons/star-16.svg");
  --md-source-version-icon: svg-load("octicons/tag-16.svg");
}

// ----------------------------------------------------------------------------

// Repository information
.md-source {
  display: block;
  font-size: px2rem(13px);
  line-height: 1.2;
  white-space: nowrap;
  // Hack: promote to own layer to reduce jitter
  backface-visibility: hidden;
  transition: opacity 250ms;

  // Repository information on hover
  &:hover {
    opacity: 0.7;
  }

  // Repository icon
  &__icon {
    display: inline-block;
    width: px2rem(40px);
    height: px2rem(48px);
    vertical-align: middle;

    // Align with margin only (as opposed to normal button alignment)
    svg {
      margin-top: px2rem(12px);
      margin-left: px2rem(12px);

      // Adjust for right-to-left languages
      [dir="rtl"] & {
        margin-right: px2rem(12px);
        margin-left: initial;
      }
    }

    // Adjust spacing if icon is present
    + .md-source__repository {
      margin-left: px2rem(-40px);
      padding-left: px2rem(40px);

      // Adjust for right-to-left languages
      [dir="rtl"] & {
        margin-right: px2rem(-40px);
        margin-left: initial;
        padding-right: px2rem(40px);
        padding-left: initial;
      }
    }
  }

  // Repository name
  &__repository {
    display: inline-block;
    max-width: calc(100% - #{px2rem(24px)});
    margin-left: px2rem(12px);
    overflow: hidden;
    text-overflow: ellipsis;
    vertical-align: middle;
  }

  // Repository facts
  &__facts {
    margin: px2rem(2px) 0 0;
    padding: 0;
    overflow: hidden;
    font-size: px2rem(11px);
    list-style-type: none;
    opacity: 0.75;

    // Show after the data was loaded
    [data-md-state="done"] & {
      animation: md-source__facts--done 250ms ease-in;
    }
  }

  // Repository fact
  &__fact {
    display: inline-block;

    // Show after the data was loaded
    [data-md-state="done"] & {
      animation: md-source__fact--done 400ms ease-out;
    }

    // Repository fact icon
    &::before {
      display: inline-block;
      width: px2rem(12px);
      height: px2rem(12px);
      margin-right: px2rem(2px);
      vertical-align: text-top;
      background-color: currentColor;
      mask-repeat: no-repeat;
      mask-size: contain;
      content: "";
    }

    // Adjust spacing for repository fact icon
    &:nth-child(1n+2)::before {
      margin-left: px2rem(8px);
    }

    // Adjust for right-to-left languages
    [dir="rtl"] & {
      margin-right: initial;
      margin-left: px2rem(2px);

      // Adjust spacing for repository fact icon
      &:nth-child(1n+2)::before {
        margin-right: px2rem(8px);
        margin-left: initial;
      }
    }

    // Repository fact: version
    &--version::before {
      mask-image: var(--md-source-version-icon);
    }

    // Repository fact: stars
    &--stars::before {
      mask-image: var(--md-source-stars-icon);
    }

    // Repository fact: forks
    &--forks::before {
      mask-image: var(--md-source-forks-icon);
    }

    // Repository fact: repositories
    &--repositories::before {
      mask-image: var(--md-source-repositories-icon);
    }
  }
}