// Animation
@mixin animation(
	$name,											// none | keyframe at-rule name
	$duration,									// <time>
	$timing-function,						// ease | linear | ease-in | ease-out | ease-in-out | cubic-bezier(<number>, <number>, <number>, <number>)
	$delay,											// <time>
	$iteration-count,   				// infinite | number
	$direction,									// normal | alternate
	$fill-mode									// none | both
	) {
  -webkit-animation: $name $duration $timing-function $iteration-count $direction $fill-mode;
  animation: $name $duration $timing-function $iteration-count $direction $fill-mode;
}