Bases ▶ Exemple : animation du style color

@keyframes ex1_anim {
	0% { background-color: red; }
	50% { background-color: blue; }
	100% { background-color: red; }
}
#carre {
	width:100px;
	height:100px;
	animation : ex1_anim 2s infinite;
}

<div id="carre"></div>