message: Fix devlog spacer in dark mode
diff: @media $media-xs
  full-bleed()
  theme-prop('background-color', 'bg-offset')
  + theme-prop('border-top-color', 'bg-subtle')
  + theme-prop('border-bottom-color', 'bg-subtle')
  height: ($line-height-computed / 2)
  - border-top: 1px solid $gray-lighter
  - border-bottom: 1px solid $gray-lighter
  + border-top-width: 1px
  + border-top-style: solid
  + border-bottom-width: 1px
  + border-bottom-style: solid
  margin-bottom: $line-height-computed
  