timjackleus

@mixin fancy-hover($sprite_dir, $off_state, $hover_state, $speed: 0.3s)
  $sprites: sprite-map("#{$sprite_dir}/*.png")
  $width: image-width(sprite_file($sprites, $off_state))
  $height: image-height(sprite_file($sprites, $off_state))
  @include hide-text
  width: $width
  height: $height
  background: sprite($sprites, $off_state) no-repeat
  display: block
  position: relative