Animaciones CSS

<div id="prueba">
<h1>hola</h1>
</div>

#prueba{
width:100px;
height:100px;
background:red;
animation-name:animacion;
animation-duration:4s;
animation-iteration-count: infinite;
}

@keyframes animacion{

15% {transform:translate(0,200px)rotate(0deg);}
30% {transform:translate(0,200px) rotate(360deg);}
50% {transform:translate(100px,100px);background:red;}
65% {transform:translate(100px,100px);background:green;}
80% {transform:translate(100px,100px);background:blue;}

}