Blink effect

effect-blink.sass

=effect-blink($width, $height)
  $bl-w: 25px
  overflow: hidden
  .no-touch &
    &:before
      content: ""
      bottom: -10px
      opacity: 0.2
      z-index: 10
      left: -$bl-w
      background-color: #fff
      width: 25px
      height: $height + 10px
      transform: rotate(30deg)
      position: absolute
      transform: translate($bl-w + -0.3 * $width, 0) rotate(30deg)
    &:hover:before,
    &.active:before
      transition: all 0.8s ease-out
      opacity: 0.5
      width: 0
      transform: translate($bl-w + 1.3 * $width, 0) rotate(30deg)