message: Show all tab-content on tools page in mobile sizes
diff: .tab--container
  +mobile()
  display none
  - .tab-content
  - +mobile()
  - display block
  &__mobile-title
  display none
  +mobile()
  display block
  h4()
  margin-left (unit / 2)
  -
  + .tab-content
  + +mobile()
  + display block
  &__frame
  width 50%
  margin (s_margin * 3) auto
  @@ -177,5 +176,3 @@ li.friend-list__friend
  @media (max-width: 800px)
  .tools__frame
  width 100%
  \ No newline at end of file
  - #tab--bookmarklet
  - display none
  \ No newline at end of file
  