matrix-spec/assets-hugo/scss/custom.scss

/*
Copyright 2020, 2021 The Matrix.org Foundation C.I.C.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

/*
Custom SCSS for the Matrix spec
*/

@import "variables_project";
@import "variables";

/* Overrides for the navbar */
.td-navbar {
  box-shadow: 0px 0px 8px rgba(179, 179, 179, 0.25);
  min-height: 5rem;

  .navbar-brand {
    font-size: 1.1rem;

    .navbar-version {
      color: $secondary;
    }

  }

  a {
    color: $black;
  }
}

/* Styles for the sidebar nav */
.td-sidebar-nav {
  scroll-behavior: smooth;

  /* This overrides calc(100vh - 10rem);, which gives us a blank space at the bottom of the sidebar */
  max-height: calc(100vh - 6rem);

  &>.td-sidebar-nav__section {
    margin-top: 1rem;
  }

  &>.td-sidebar-nav__section > li > a.td-sidebar-link {
      font-weight: $font-weight-bold;
      font-size: 1.3rem;
  }

  /* This is to make the width of the items that have sub-items (like room versions)
  the same as the width of items that don't (like changelog) */
  .pr-md-3, .px-md-3 {
    padding-right: 0 !important;
  }

  a.indent-1 {
    padding-left: 1rem !important;
  }

  a.indent-2 {
    padding-left: 2rem;
  }

  a, a.td-sidebar-link {
    color: $gray-800;
    font-weight: $font-weight-normal;
    padding-top: .2rem;
    padding-bottom: .2rem;

    display: block;
    transition: all 100ms ease-in-out;

    &:hover {
      background-color: $secondary-lighter-background;
      color: $gray-800;
    }

    &.active, &active:hover {
      background-color: $secondary-background;
      font-weight: $font-weight-normal;
    }
  }
}

/* Customise footer */
footer {
  box-shadow: 0px 0px 8px rgba(179, 179, 179, 0.25);
}

/* Auto numbering for headings */
.td-content {

  counter-reset: h2;

  &> h2 {
    counter-reset: h3
  }

  &> h3 {
    counter-reset: h4
  }

  &> h4 {
    counter-reset: h5
  }

  &> h5 {
    counter-reset: h6
  }

  &> h2:not(.no-numbers):before {
    display: inline; visibility: visible; counter-increment: h2; content: counter(h2) ". "
  }

  &> h3:not(.no-numbers):before {
    display: inline; visibility: visible; counter-increment: h3; content: counter(h2) "." counter(h3) ". "
  }

  &> h4:not(.no-numbers):before {
    display: inline; visibility: visible; counter-increment: h4; content: counter(h2) "." counter(h3) "." counter(h4) ". "
  }

  &> h5:not(.no-numbers):before {
    display: inline; visibility: visible; counter-increment: h5; content: counter(h2) "." counter(h3) "." counter(h4) "." counter(h5) ". "
  }

  &> h6:not(.no-numbers):before {
    display: inline; visibility: visible; counter-increment: h6; content: counter(h2) "." counter(h3) "." counter(h4) "." counter(h5) "." counter(h6) ". "
  }

}

/* Adjust heading anchors for site header */
.td-content {
  &> h2,
  &> h3,
  &> h4,
  &> h5,
  &> h6,
  .rendered-data h1 {
    scroll-margin-top: 5rem;
  }
}

/* Styles for the table of contents */
#toc {
  padding-top: .5rem;
  padding-left: 1.5rem;

  ol {
    padding-left: 1rem;
    counter-reset: section;
    list-style-type: none;
  }

  #TableOfContents {
    &>ol>li {
      margin-bottom: .5rem;

      &>a {
        font-weight: $font-weight-bold;
      }
    }

    ol {
      padding-left: 0;
    }

    &>ol>li>a {
      padding-left: 1rem;
    }

    &>ol>li>ol>li>a {
      padding-left: 2rem;
    }

    &>ol>li>ol>li>ol>li>a {
      padding-left: 3rem;
    }

    &>ol>li>ol>li>ol>li>ol>li>a {
      padding-left: 4rem;
    }

    &>ol>li>ol>li>ol>li>ol>li>ol>li>a {
      padding-left: 5rem;
    }

  }

  li a:before {
    counter-increment: section;
    content: counters(section, ".") " ";
  }

  #toc-title {
    font-weight: $font-weight-bold;
    font-size: 1.3rem;
  }

}

/* Styles for alert boxes */
.alert {
  &.note {
    &:not(.omit-title):before {
      content: "INFO: ";
      font-weight: $font-weight-bold;
    }
    border: 2px solid $note;
    border-left-width: 5px;
    background: $note-background;
  }

  &.rationale {
    &:not(.omit-title):before {
      content: "RATIONALE: ";
      font-weight: $font-weight-bold;
    }
    border: 2px solid $note;
    border-left-width: 5px;
    background: $note-background;
  }

  &.warning {
    &:not(.omit-title):before {
      content: "WARNING: ";
      font-weight: $font-weight-bold;
    }
    border: 2px solid $warning;
    border-left-width: 5px;
    background: $warning-background;
  }
}

/* Miscellaneous custom bits */

/* Update link colours for MAtrix style */
a, a:hover {
  color: $secondary;
}

/* This is needed to stop the bottom of the Matrix icon from getting snipped off. */
.td-navbar .navbar-brand svg {
  height: 32px;
}

/* Give code samples and pre elements full-width */
.td-content > .highlight, .td-content > pre {
  max-width: 100%;
}

/* The default CSS applies a style for blockquotes but only to immediate children
of .td-content. This applies the same style to any blockquotes that descend from
.td-content. */
.td-content blockquote {
  padding: 0 0 0 1rem;
  margin-bottom: $spacer;
  color: $gray-600;
  border-left: 6px solid $secondary;
}

/*
Make padding symmetrical (this selector is used in the default styles to apply padding-left: 3rem)
*/
.pl-md-5, .px-md-5 {
  padding-right: 3rem;
}

/* Adjust default styles for info banner */
.pageinfo-primary {
  max-width: 80%;
  margin-left: 0;
  border: 0;
  border-left: solid 5px $secondary;
  background-color: $gray-100;
}

.pageinfo-unstable {
  background-image: url('/icons/unstable.png');
  background-position: left 1rem center;
  background-repeat: no-repeat;
  padding-left: 100px;
}