CSS to add animation to a feature using the WooThemes Features plugin. You still need to write the animations.

woothemes-features-intermediate-css.css

.features .feature {
  position: relative;
}
	.features .animation {
		content: " ";
		display: none;
		position: absolute;
	}
		.features *:hover .animation {
			display: block;
		}
	.features .animation-1 {
		-webkit-animation: fadeInRight 2s linear infinite;
		-moz-animation: fadeInRight 2s linear infinite;
		-o-animation: fadeInRight 2s linear infinite;
		animation: fadeInRight 2s linear infinite;
		background: url(/wp-content/uploads/2013/03/blast-small.png) no-repeat;
		height: 62px;
		left: 102px;
		top: 43px;
		width: 22px;
	}
	.features .animation-2 {
		-webkit-animation: fadeInRightDelay 2s linear infinite;
		-moz-animation: fadeInRightDelay 2s linear infinite;
		-o-animation: fadeInRightDelay 2s linear infinite;
		animation: fadeInRightDelay 2s linear infinite;
		background: url(/wp-content/uploads/2013/03/blast-large.png) no-repeat;
		height: 99px;
		left: 115px;
		top: 23px;
		width: 30px;
	}