<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>float DIV</title>
</head>
<body>
<style>
.icon a{
-moz-transition-duration: 0.8s; /* speed */
background-color: #FFFFFF;
background-position: -30px 50%;
border: 1px solid #CCCCCC;
border-radius: 5px;
color: #565656;
display: block;
height: 97px;
108px;
}
.icon a:hover{
background-position: 0 50%;
border-bottom-left-radius: 50% 20px;
box-shadow: -5px 10px 15px rgba(0, 0, 0, 0.25);
}
</style>
<div class="icon"><a></a></div>
</body>
</html>