#animate{width:100px;height:100px;background-color:red;position:relative;animation-name:example;animation-duration:8s}

@keyframes example {
  0%{background:red;left:0px;top:0px;}
  25%{background-color:yellow;left:200px;top:0px;}
  50%{background-color:blue;left:200px;top:200px;}
  75%{background-color:green;left:0px;top:200px;}
  100%{background-color:red;left:0px;top:0px;}
}