<button class="red hover-grow">Grow</button>
<button class="orange hover-shrink">Shrink</button>
<button class="yellow hover-float">Float</button>
<button class="green hover-sink">Sink</button>
<button class="blue hover-pulse">Pulse</button>
<button class="indigo hover-bob">Bob</button>
<button class="purple hover-hang">Hang</button>