packer-cn/website/source/assets/stylesheets/_inner.scss

#inner {
  h1 {
    @extend .g-type-display-2;
  }

  h2 {
    @extend .g-type-display-3;
  }

  h3 {
    @extend .g-type-display-4;
  }

  h4 {
    @extend .g-type-display-5;
  }

  h5,
  h6 {
    @extend .g-type-display-6;
  }

  p,
  li,
  .alert {
    font-size: 1.063rem;
    line-height: 1.647em;
    margin: 0 0 $font-size-default;
  }

  .alert p:last-child {
    margin-bottom: 0;
  }

  pre,
  code,
  pre code,
  tt {
    line-height: 1.926em;
  }

  pre {
    padding: 20px;
    margin: 0 0 $font-size-default;

    // This will force the code to scroll horizontally on small screens
    // instead of wrapping.
    code {
      overflow-wrap: normal;
      white-space: pre;
    }
  }

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

    &:hover {
      text-decoration: underline;
    }

    code {
      background: inherit;
      color: $body-link-color;
    }
  }

  img {
    display: block;
    margin: 25px auto;
    max-width: 650px;
    height: auto;
    width: 90%;
  }

  h1,
  h2,
  h3,
  h4 {
    color: $body-font-color;
    margin-top: 54px;
    margin-bottom: $font-size-default;
  }

  h2 {
    padding-bottom: 3px;
    border-bottom: 1px solid $gray-light;
  }

  h1 > code,
  h2 > code,
  h3 > code,
  h4 > code,
  h5 > code,
  h6 > code,
  li code,
  table code,
  p code,
  tt,
  .alert code {
    background-color: transparent;
    color: inherit;
    padding: 0;
  }

  table {
    @extend .table;
    @extend .table-striped;
  }
}