@if $use-pulse == true
  // originally authored by Nick Pettit - https://github.com/nickpettit/glide

  @-webkit-keyframes pulse
    0%
      -webkit-transform: scale(1)

    50%
      -webkit-transform: scale(1.1)

    100%
      -webkit-transform: scale(1)

  @keyframes pulse
    0%
      transform: scale(1)

    50%
      transform: scale(1.1)

    100%
      transform: scale(1)

  .pulse
    +animate-prefixer(animation-name, pulse)