<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
div{
width: 200px;
height: 200px;
border: 5px solid green;
animation: myAnimation 5s infinite;
-webkit-animation: myAnimation 5s infinite; /* Safari 4.0 - 8.0 */
}
@keyframes myAnimation {
50% {border-bottom-right-radius: 200px;}
}
/* Safari 4.0 - 8.0 */
@-webkit-keyframes myAnimation {
50% {border-bottom-right-radius: 200px;}
}
</style>
</head>
<body>
<h1>CSS Animatable border-bottom-right-radius</h1>
<div></div> </body>
</html>