@-moz-document regexp(".*\.(atom|rss)$") {
  body,
  html {
    background-color: var(--in-content-page-background)!important;
    color: var(--in-content-page-color)!important
  }
  h1 {
    border-color: var(--in-content-box-border-color)!important;
    color: var(--in-content-selected-text)!important
  }
  #feedBody,
  #feedHeader {
    background-color: var(--in-content-box-background)!important;
    border-color: var(--in-content-box-border-color)!important;
    color: var(--in-content-page-color)!important
  }
  *|:link {
    color: var(--in-content-link-color)!important
  }
  #subscribeButton {
    -moz-appearance: none!important;
    background: var(--in-content-page-background)!important;
    color: var(--in-content-page-color)!important;
    border: 1px solid;
    border-color: var(--in-content-box-border-color)!important;
    border-radius: 4px
  }
  #subscribeButton:hover {
    background: var(--in-content-box-background)!important
  }
  .enclosures {
    background: var(--in-content-page-background)!important;
    border-color: var(--in-content-box-border-color)!important
  }
  #feedHeaderContainer {
    background-color: var(--in-content-box-background)!important;
    display: inline-block!important
  }
  #feedHeaderContainerSpacer {
    display: none!important
  }
  #feedBody div.entry a[href] {
    color: var(--in-content-link-color)!important
  }
  #feedBody div.entry a[href]:hover {
    color: var(--in-content-link-color-hover)!important
  }
  #feedBody div.entry a[href]:active {
    color: var(--in-content-link-color-active)!important
  }
  #feedBody div.entry a[href]:visited {
    color: var(--in-content-link-color-visited)!important
  }
}