@if $use-slideInDown == true
  @-webkit-keyframes slideInDown
    0%
      -webkit-transform: translate3d(0, -100%, 0)
      visibility: visible

    100%
      -webkit-transform: translate3d(0, 0, 0)

  @keyframes slideInDown
    0%
      transform: translate3d(0, -100%, 0)
      visibility: visible

    100%
      transform: translate3d(0, 0, 0)

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