#library
  background: white
  position: absolute
  top: 100%
  height: 100%
  width: 100%
  z-index: 2
  @include transition(top 0.35s ease-in-out)
  header
    top: 100%
    z-index: 1
    @extend .header
    @include transition(top 0.35s ease-in-out)
    a.close
      position: absolute
      right: 10px
      top: 8px
      @include button
    a.back
      position: absolute
      left: 10px
      top: 8px
      &:before
        margin-right: 0.25em
        @extend .icon
      @extend .icon-chevron-left
      @include button
  &.show
    top: 0
    header
      top: 0
  .browser
    position: absolute
    height: 100%
    @include transition(left 0.25s ease-in-out)
    ul.root, ol.artists, ol.albums
      @extend .list
    ol.songs
      @extend .song-list
    div
      position: absolute
      width: $interface-width
      height: 100%
      padding: 2.5em 0 0
      overflow: auto