@-moz-document url-prefix("moz-extension://greasemonkey_UUID/") {
  html,
  body {
    background: var(--in-content-page-background) !important;
  }
  #tabs .tab.active,
  .command-item {
    background: var(--tone-8) !important;
    color: var(--in-content-page-color) !important;
  }
  .subview-back::before {
    content: url(/skin/back.svg);
    filter: invert(65%);
  }
  .subview-back:hover,
  .subview-back:focus,
  .subview-item:hover,
  .subview-item:focus {
    background-color: var(--in-content-category-background-hover) !important;
    cursor: default;
    color: inherit;
    text-decoration: none;
  }
  .subview-item .text,
  .subview-item .icon {
    background: transparent !important;
  }
}