message: Fix ad container in feed on desktop
diff: -@require '~styles/variables'
  +@require './variables'
  @require '~styles-lib/mixins'
  .-ad-container
  border-bottom-width: 2px
  border-bottom-style: solid
  + @media $media-sm-up
  + border-bottom: 0
  + margin-bottom: $-item-padding
  +
  .-ad-label
  margin-top: 5px
  