/* create simple tabs from <a> unside <ul>
 * $dir is 'bottom' for standard tabs
 * 'top' for hanging tabs
 * assumes placement on UL
=tabs($dir: bottom)
  +horizontal-list(3px)
  position: relative
  li
    border-#{$dir}: 1px solid $base-color
    &.active
      a
        padding-#{$dir}: 0
        border-#{$dir}: 1px solid $white
    a
      border:
        width: 1px
        style: solid
        color: $base-color
      float: left
      position: relative
      #{$dir}: -1px
      @if $dir == bottom
        padding: 0 0.25em 1px
        +border-top-radius
        +remove-link-underlines
      @else
        padding: 1px 0.25em 0
        +border-bottom-radius
        border-top-width: 0


=decending-z-order-tab($count: 20)
  // assumes placement on UL
  position: relative
  li
    position: relative
    $t: 0
    $i: $count
    @while $i > 0
      &:nth-child(#{$t})
        z-index: #{$i}
      $t: $t + 1
      $i: $i - 1


=clean-list
  +no-bullets
  margin-left: 0
  padding-left: 0