feat(version): versions

6 files changed, 791 insertions, 0 deletions

diff --git a/src/overrides/assets/stylesheets/custom.scss b/src/overrides/assets/stylesheets/custom.scss
new file mode 100644
index 00000000..8235e7d0
--- /dev/null
+++ b/src/overrides/assets/stylesheets/custom.scss
@@ -0,0 +1,44 @@
+////
+/// Copyright (c) 2016-2023 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
+////
+
+// ----------------------------------------------------------------------------
+// Dependencies
+// ----------------------------------------------------------------------------
+
+@import "material-color";
+@import "material-shadows";
+
+// ----------------------------------------------------------------------------
+// Local imports
+// ----------------------------------------------------------------------------
+
+@import "utilities/break";
+@import "utilities/convert";
+
+@import "config";
+
+@import "custom/typeset";
+
+@import "custom/layout/banner";
+@import "custom/layout/hero";
+@import "custom/layout/iconsearch";
+@import "custom/layout/sponsorship";
diff --git a/src/overrides/assets/stylesheets/custom/_typeset.scss b/src/overrides/assets/stylesheets/custom/_typeset.scss
new file mode 100644
index 00000000..bef30073
--- /dev/null
+++ b/src/overrides/assets/stylesheets/custom/_typeset.scss
@@ -0,0 +1,294 @@
+////
+/// Copyright (c) 2016-2023 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
+// ----------------------------------------------------------------------------
+
+// Pumping heart animation
+@keyframes heart {
+  0%,
+  40%,
+  80%,
+  100% {
+    transform: scale(1);
+  }
+
+  20%,
+  60% {
+    transform: scale(1.15);
+  }
+}
+
+// ----------------------------------------------------------------------------
+// Rules
+// ----------------------------------------------------------------------------
+
+// Scoped in typesetted content to match specificity of regular content
+.md-typeset {
+
+  // Twitter icon
+  .twitter {
+    color: #00acee;
+  }
+
+  // Mastodon icon - it's not the exact brand color, because that doesn't work
+  // well on dark backgrounds, so we lightened it up a bit.
+  .mastodon {
+    color: #897ff8;
+  }
+
+  // Insiders video
+  .mdx-video {
+    width: auto;
+
+    // Insiders video container
+    &__inner {
+      position: relative;
+      width: 100%;
+      height: 0;
+      padding-bottom: 56.138%;
+    }
+
+    // Insiders video iframe
+    iframe {
+      position: absolute;
+      top: 0;
+      left: 0;
+      width: 100%;
+      height: 100%;
+      overflow: hidden;
+      border: none;
+    }
+  }
+
+  // Pumping heart
+  .mdx-heart {
+    animation: heart 1000ms infinite;
+  }
+
+  // Insiders color (for links, etc.) // remove
+  .mdx-insiders {
+    color: $clr-pink-500;
+  }
+
+  // BETA #####################################################################
+
+  // Badge
+  .mdx-badge {
+    font-size: 0.85em;
+
+    // Badge with heart
+    &--heart {
+      --md-typeset-a-color:              hsla(#{hex2hsl($clr-pink-500)}, 1);
+      --md-accent-fg-color:              hsla(#{hex2hsl($clr-pink-a200)}, 1);
+      --md-accent-fg-color--transparent: hsla(#{hex2hsl($clr-pink-500)}, 0.1);
+
+      // Animate icon
+      .twemoji {
+        animation: heart 1000ms infinite;
+      }
+    }
+
+    // Badge moved to the right
+    &--right {
+      float: right;
+      margin-left: 0.35em;
+    }
+
+    // Badge icon
+    &__icon {
+      padding: px2rem(4px);
+      background: var(--md-accent-fg-color--transparent);
+      border-start-start-radius: px2rem(2px);
+      border-end-start-radius: px2rem(2px);
+
+      // If icon is alone, round corners
+      &:last-child {
+        border-radius: px2rem(2px);
+      }
+    }
+
+    // Badge text
+    &__text {
+      padding: px2rem(4px) px2rem(6px);
+      border-start-end-radius: px2rem(2px);
+      border-end-end-radius: px2rem(2px);
+      box-shadow: 0 0 0 1px inset var(--md-accent-fg-color--transparent);
+    }
+  }
+
+  // BETA #####################################################################
+
+  // Switch buttons
+  .mdx-switch button {
+    cursor: pointer;
+    transition: opacity 250ms;
+
+    // Button on focus/hover
+    &:is(:focus, :hover) {
+      opacity: 0.75;
+    }
+
+    // Code block
+    > code {
+      display: block;
+      color: var(--md-primary-bg-color);
+      background-color: var(--md-primary-fg-color);
+    }
+  }
+
+  // Two-column layout
+  .mdx-columns {
+
+    // Column
+    ol,
+    ul {
+      columns: 2;
+
+      // [mobile portrait -]: Reset columns on mobile
+      @include break-to-device(mobile portrait) {
+        columns: initial;
+      }
+    }
+
+    // Column item
+    li {
+      break-inside: avoid;
+    }
+  }
+
+  // Language list
+  .mdx-flags {
+    margin: 2em auto;
+
+    // Language list
+    ol {
+      list-style: none;
+
+      // Language list item
+      li {
+        margin-bottom: 1em;
+      }
+    }
+
+    // Language item
+    &__item {
+      display: flex;
+      gap: px2rem(12px);
+    }
+
+    // Language content
+    &__content {
+      display: flex;
+      flex: 1;
+      flex-direction: column;
+
+      // Language name
+      span {
+        display: inline-flex;
+        align-items: baseline;
+        justify-content: space-between;
+      }
+
+      // Language link
+      > span:nth-child(2) {
+        font-size: 80%;
+      }
+
+      // Language code
+      code {
+        float: right;
+      }
+    }
+  }
+
+  // Social card
+  .mdx-social {
+    position: relative;
+    height: min(#{px2rem(540px)}, 80vw);
+
+    // Social card image on hover
+    &:hover .mdx-social__image {
+      background-color: rgba(228, 228, 228, 0.05);
+    }
+
+    // Social card layer
+    &__layer {
+      position: absolute;
+      margin-top: px2rem(80px);
+      transition: 250ms cubic-bezier(0.7, 0, 0.3, 1);
+      transform-style: preserve-3d;
+
+      // Social card layer on hover
+      &:hover {
+
+        // Social card label
+        .mdx-social__label {
+          opacity: 1;
+        }
+
+        // Social card image
+        .mdx-social__image {
+          background-color: rgba(127, 127, 127, 0.99);
+        }
+
+        // Hide top layers
+        ~ .mdx-social__layer {
+          opacity: 0;
+        }
+      }
+    }
+
+    // Social card image
+    &__image {
+      box-shadow:
+        px2rem(-5px) px2rem(5px) px2rem(10px)
+        rgba(0, 0, 0, 0.05);
+      transition: all 250ms;
+      transform: rotate(-40deg) skew(15deg, 15deg) scale(0.7);
+
+      // Actual image
+      img {
+        display: block;
+      }
+    }
+
+    // Social card label
+    &__label {
+      position: absolute;
+      display: block;
+      padding: px2rem(4px) px2rem(8px);
+      color: var(--md-default-bg-color);
+      background-color: var(--md-default-fg-color--light);
+      opacity: 0;
+      transition: all 250ms;
+    }
+
+    // Transform on hover
+    @for $i from 6 through 0 {
+      &:hover .mdx-social__layer:nth-child(#{$i}) {
+        transform: translateY(#{($i - 3) * -10}px);
+      }
+    }
+  }
+}
diff --git a/src/overrides/assets/stylesheets/custom/layout/_banner.scss b/src/overrides/assets/stylesheets/custom/layout/_banner.scss
new file mode 100644
index 00000000..b67d7fff
--- /dev/null
+++ b/src/overrides/assets/stylesheets/custom/layout/_banner.scss
@@ -0,0 +1,66 @@
+////
+/// Copyright (c) 2016-2023 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
+// ----------------------------------------------------------------------------
+
+// Banner for announcements and warnings
+.md-banner {
+  color: var(--md-footer-fg-color--lighter);
+
+  // Don't wrap name of blog article
+  strong {
+    color: var(--md-footer-fg-color);
+    white-space: nowrap;
+  }
+
+  a {
+    color: var(--md-footer-fg-color);
+
+    &:focus,
+    &:hover {
+      color: currentcolor;
+
+      .twemoji {
+        background-color: var(--md-footer-fg-color);
+        box-shadow: none;
+      }
+    }
+  }
+
+  .twemoji {
+    display: inline-block;
+    width: px2rem(24px);
+    height: px2rem(24px);
+    padding: px2rem(5px);
+    vertical-align: bottom;
+    border-radius: 100%;
+    box-shadow: 0 0 0 px2rem(1px) currentcolor inset;
+    transition: all 250ms;
+
+    svg {
+      display: block;
+      max-height: initial;
+    }
+  }
+}
diff --git a/src/overrides/assets/stylesheets/custom/layout/_hero.scss b/src/overrides/assets/stylesheets/custom/layout/_hero.scss
new file mode 100644
index 00000000..428cd37e
--- /dev/null
+++ b/src/overrides/assets/stylesheets/custom/layout/_hero.scss
@@ -0,0 +1,123 @@
+////
+/// Copyright (c) 2016-2023 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
+// ----------------------------------------------------------------------------
+
+// Landing page container
+.mdx-container {
+  padding-top: px2rem(20px);
+  background:
+    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1123 258'><path d='M1124,2c0,0 0,256 0,256l-1125,0l0,-48c0,0 16,5 55,5c116,0 197,-92 325,-92c121,0 114,46 254,46c140,0 214,-167 572,-166Z' style='fill: hsla(0, 0%, 100%, 1)' /></svg>") no-repeat bottom,
+    linear-gradient(
+      to bottom,
+      var(--md-primary-fg-color),
+      hsla(280, 67%, 55%, 1) 99%,
+      var(--md-default-bg-color) 99%
+    );
+
+  // Adjust background for slate theme
+  [data-md-color-scheme="slate"] & {
+    background:
+      url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1123 258'><path d='M1124,2c0,0 0,256 0,256l-1125,0l0,-48c0,0 16,5 55,5c116,0 197,-92 325,-92c121,0 114,46 254,46c140,0 214,-167 572,-166Z' style='fill: hsla(230, 15%, 14%, 1)' /></svg>") no-repeat bottom,
+      linear-gradient(
+        to bottom,
+        var(--md-primary-fg-color),
+        hsla(230, 15%, 25%, 1) 99%,
+        var(--md-default-bg-color) 99%
+      );
+  }
+}
+
+// Landing page hero
+.mdx-hero {
+  margin: 0 px2rem(16px);
+  color: var(--md-primary-bg-color);
+
+  // Hero headline
+  h1 {
+    margin-bottom: px2rem(20px);
+    font-weight: 700;
+    color: currentcolor;
+
+    // [mobile portrait -]: Larger hero headline
+    @include break-to-device(mobile portrait) {
+      font-size: px2rem(28px);
+    }
+  }
+
+  // Hero content
+  &__content {
+    padding-bottom: px2rem(120px);
+  }
+
+  // [tablet landscape +]: Columnar display
+  @include break-from-device(tablet landscape) {
+    display: flex;
+    align-items: stretch;
+
+    // Adjust spacing and set dimensions
+    &__content {
+      max-width: px2rem(380px);
+      padding-bottom: 14vw;
+      margin-top: px2rem(70px);
+    }
+
+    // Hero image
+    &__image {
+      order: 1;
+      width: px2rem(760px);
+      transform: translateX(#{px2rem(80px)});
+    }
+  }
+
+  // [screen +]: Columnar display and adjusted spacing
+  @include break-from-device(screen) {
+
+    // Hero image
+    &__image {
+      transform: translateX(#{px2rem(160px)});
+    }
+  }
+
+  // Button
+  .md-button {
+    margin-top: px2rem(10px);
+    margin-right: px2rem(10px);
+    color: var(--md-primary-bg-color);
+
+    // Button on focus/hover
+    &:is(:focus, :hover) {
+      color: var(--md-accent-bg-color);
+      background-color: var(--md-accent-fg-color);
+      border-color: var(--md-accent-fg-color);
+    }
+
+    // Primary button
+    &--primary {
+      color: hsla(280, 37%, 48%, 1);
+      background-color: var(--md-primary-bg-color);
+      border-color: var(--md-primary-bg-color);
+    }
+  }
+}
diff --git a/src/overrides/assets/stylesheets/custom/layout/_iconsearch.scss b/src/overrides/assets/stylesheets/custom/layout/_iconsearch.scss
new file mode 100644
index 00000000..651c4135
--- /dev/null
+++ b/src/overrides/assets/stylesheets/custom/layout/_iconsearch.scss
@@ -0,0 +1,136 @@
+////
+/// Copyright (c) 2016-2023 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
+// ----------------------------------------------------------------------------
+
+// Scoped in typesetted content to match specificity of regular content
+.md-typeset {
+
+  // Icon search
+  .mdx-iconsearch {
+    position: relative;
+    background-color: var(--md-default-bg-color);
+    border-radius: px2rem(2px);
+    box-shadow: var(--md-shadow-z1);
+    transition: box-shadow 125ms;
+
+    // Icon search on focus/hover
+    &:is(:focus-within, :hover) {
+      box-shadow: var(--md-shadow-z2);
+    }
+
+    // Icon search input
+    .md-input {
+      background: var(--md-default-bg-color);
+      box-shadow: none;
+
+      // Slate theme, i.e. dark mode
+      [data-md-color-scheme="slate"] & {
+        background: var(--md-code-bg-color);
+      }
+    }
+  }
+
+  // Icon search result
+  .mdx-iconsearch-result {
+    max-height: 50vh;
+    overflow-y: auto;
+    // Hack: promote to own layer to reduce jitter
+    backface-visibility: hidden;
+    touch-action: pan-y;
+    scrollbar-width: thin;
+    scrollbar-color: var(--md-default-fg-color--lighter) transparent;
+
+    // Icon search result inside tooltip
+    .md-tooltip & {
+      max-height: px2rem(205px);
+    }
+
+    // Webkit scrollbar
+    &::-webkit-scrollbar {
+      width: px2rem(4px);
+      height: px2rem(4px);
+    }
+
+    // Webkit scrollbar thumb
+    &::-webkit-scrollbar-thumb {
+      background-color: var(--md-default-fg-color--lighter);
+
+      // Webkit scrollbar thumb on hover
+      &:hover {
+        background-color: var(--md-accent-fg-color);
+      }
+    }
+
+    // Icon search result metadata
+    &__meta {
+      position: absolute;
+      top: px2rem(8px);
+      right: px2rem(12px);
+      font-size: px2rem(12.8px);
+      color: var(--md-default-fg-color--lighter);
+    }
+
+    // Icon search result list
+    &__list {
+      padding: 0;
+      margin: 0;
+      // Hack: necessary because of increased specificity due to the PostCSS
+      // plugin which prefixes this with `[dir=...]` selectors.
+      margin-inline-start: 0;
+      list-style: none;
+    }
+
+    // Icon search result item
+    &__item {
+      padding: px2rem(4px) px2rem(12px);
+      margin: 0;
+      // Hack: necessary because of increased specificity due to the PostCSS
+      // plugin which prefixes this with `[dir=...]` selectors.
+      margin-inline-start: 0;
+      border-bottom: px2rem(1px) solid var(--md-default-fg-color--lightest);
+
+      // Omit border on last child
+      &:last-child {
+        border-bottom: none;
+      }
+
+      // Item content
+      > * {
+        margin-right: px2rem(12px);
+      }
+
+      // Set icon dimensions to fit
+      img {
+        width: px2rem(18px);
+        height: px2rem(18px);
+
+        // Slate theme, i.e. dark mode
+        [data-md-color-scheme="slate"] &[src*="squidfunk"] {
+          filter: invert(1); /* stylelint-disable-line */
+        }
+      }
+    }
+  }
+}
diff --git a/src/overrides/assets/stylesheets/custom/layout/_sponsorship.scss b/src/overrides/assets/stylesheets/custom/layout/_sponsorship.scss
new file mode 100644
index 00000000..e2b16570
--- /dev/null
+++ b/src/overrides/assets/stylesheets/custom/layout/_sponsorship.scss
@@ -0,0 +1,128 @@
+////
+/// Copyright (c) 2016-2023 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
+// ----------------------------------------------------------------------------
+
+// Scoped in typesetted content to match specificity of regular content
+.md-typeset {
+
+  // Premium sponsors
+  .mdx-premium {
+
+    // Paragraphs
+    p {
+      margin: 2em 0;
+      text-align: center;
+    }
+
+    // Premium sponsor image
+    img {
+      height: px2rem(65px);
+    }
+
+    // Premium sponsor list
+    p:last-child {
+      display: flex;
+      flex-wrap: wrap;
+      justify-content: center;
+
+      // Premium sponsor link
+      > a {
+        display: block;
+        flex-shrink: 0;
+      }
+    }
+  }
+
+  // Sponsorship
+  .mdx-sponsorship {
+
+    // Sponsorship list
+    &__list {
+      margin: 2em 0;
+
+      // Clearfix, because we can't use overflow: auto
+      &::after {
+        display: block;
+        clear: both;
+        content: "";
+      }
+    }
+
+    // Sponsorship item
+    &__item {
+      display: block;
+      float: inline-start;
+      width: px2rem(32px);
+      height: px2rem(32px);
+      margin: px2rem(4px);
+      overflow: hidden;
+      border-radius: 100%;
+      transition:
+        color     125ms,
+        transform 125ms;
+      transform: scale(1);
+
+      // Sponsor item on focus/hover
+      &:is(:focus, :hover) {
+        transform: scale(1.1);
+
+        // Sponsor avatar
+        img {
+          filter: grayscale(0%);
+        }
+      }
+
+      // Private sponsor
+      &--private {
+        font-size: px2rem(12px);
+        font-weight: 700;
+        line-height: px2rem(32px);
+        color: var(--md-default-fg-color--lighter);
+        text-align: center;
+        background: var(--md-default-fg-color--lightest);
+      }
+
+      // Sponsor avatar
+      img {
+        display: block;
+        width: 100%;
+        height: auto;
+        filter: grayscale(100%) opacity(75%);
+        transition: filter 125ms;
+      }
+    }
+  }
+
+  // Sponsorship button
+  .mdx-sponsorship-button {
+    font-weight: 400;
+  }
+
+  // Sponsorship count and total
+  .mdx-sponsorship-count,
+  .mdx-sponsorship-total {
+    font-weight: 700;
+  }
+}