abe33/awesome_form

=animation($args)
  +vendor-prefix(animation, $args)

=keyframes($name)
  @keyframes #{$name}
    @content

  @-webkit-keyframes #{$name}
    @content

  @-moz-keyframes #{$name}
    @content

  @-o-keyframes #{$name}
    @content

  @-ms-keyframes #{$name}
    @content