animation related mixin

animation related mixin

// tansition
=transition($transition)
  -webkit-transition: $transition // chrome 25-
  transition: $transition

// transform
=transform($transform)
  -webkit-transform: $transform
  transform: $transform

// animation
=animation($animate)
  -webkit-animation: $animate
  animation: $animate

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