@-moz-document url-prefix("view-source") {
  :root {
    background-color: var(--in-content-page-background) !important; /* Original: white */
    color: var(--in-content-page-color) !important; /* Original: black */

    /* Colors */
    --view-source-green: var(--green-80);
    --view-source-purple: #800080; /* Like alphenglow */
  }
  @include Dark {
    :root {
      --view-source-green: var(--green-60);
      --view-source-purple: #c68aff;
    }
  }

  pre[id]::before,
  span[id]::before {
    color: color-mix(
      in srgb,
      var(--in-content-page-color) 70%,
      var(--in-content-page-background)
    ) !important; /* Original: #ccc */
  }
  .highlight .start-tag,
  .highlight .end-tag {
    color: var(--view-source-purple) !important; /* Original: purple */
  }
  .highlight .comment {
    color: var(--view-source-green) !important; /* Original: green */
  }
  .highlight .cdata {
    color: var(--in-content-border-invalid) !important; /* Original: #CC0066 */
  }
  .highlight .doctype {
    color: #4682b4 !important; /* Original: steelblue */
  }
  .highlight .pi {
    color: orchid !important; /* Original: orchid */
  }
  .highlight .entity {
    color: #ff4500 !important; /* Original: #FF4500 */
  }
  .highlight .attribute-name {
    color: var(--view-source-green) !important; /* Original: black */
  }
  .highlight .attribute-value {
    color: var(--in-content-link-color) !important; /* Original: blue */
  }
  .highlight .markupdeclaration {
    color: #4682b4 !important; /* Original: steelblue */
  }
  .highlight .error,
  .highlight
    .error
    > :-moz-any(.start-tag, .end-tag, .comment, .cdata, .doctype, .pi, .entity, .attribute-name, .attribute-value) {
    color: var(--in-content-error-text-color) !important; /* Original: red */
  }
}