hugo-book-theme/assets/styles.scss

@import 'variables';
@import 'pure-extension';
@import 'markdown';

html {
  font-size: $font-size-base;
}

html, body {
  width: 100%;
  min-height: 100%;
  min-width: $body-min-width;
}

body {
  color: $body-font-color;
  background: $body-background;
  line-height: $body-line-height;
}

a {
  text-decoration: none;
  color: $color-link;
}

.book-brand {
  padding: 0 $padding-16;
  margin-bottom: $padding-8;
  font-weight: 400;

  a {
    color: $body-font-color;
  }
}

// Navigation styles
.book-nav {
  flex-grow: 0;
  width: $nav-menu-width;

  nav {
    position: fixed;
    height: 100%;
    width: $nav-menu-width;

    overflow-x: hidden;
    overflow-y: auto;

    font-size: $font-size-14;
    background: $nav-background;
  }

  ul {
    list-style: none;
    margin: 0;
    padding-left: $padding-16;

    li {
      line-height: $padding-16 * 2;
    }

    a {
      display: block;
      color: $nav-link-color;
      text-transform: capitalize;
    
      &[href]:hover {
        opacity: 0.5;
      }
    
      &.active {
        color: $color-link;
      }
    }
  }

  // class used for sections with bookRootSection: true
  .book-nav-section {
    margin-bottom: $padding-16;
    > a { font-weight: 600; }
    > ul { padding-left: 0; }
  }
}

.book-content {
  max-width: $content-max-width;
  min-width: $content-min-width;
  margin: 0 auto;

  .book-page {
    padding: $padding-16 $size-48;
  }

  a:visited {
    color: $color-visited-link
  }
}

// Table of Contents styles
.book-toc {
  flex-grow: 0;
  width: $toc-menu-width;

  nav {
    position: fixed;
    height: 100%;
    width: $toc-menu-width;

    overflow-x: hidden;
    overflow-y: auto;

    font-size: $font-size-12;

    > ul {
      margin: $size-48 0;
      padding: 0 $padding-8;
      border-left: $padding-1 solid $gray-200;
    }
  }

  ul {
    padding-left: $padding-8;
    list-style: none;
  }

  a {
    line-height: 1.25;
    padding: $padding-4 0;
    display: block;

    img {
      max-height: $font-size-16;
    }
  }
}

// Print styles
@media print {
  .book-nav, .book-toc {
    display: none;
  }
}