.float{position:fixed;width:60px;height:60px;bottom:30px;right:40px;background-color:#25d366;color:#FFF;border-radius:40px;text-align:center;font-size:30px;box-shadow: 2px 2px 3px #999;z-index:100;}
.float:hover {text-decoration: none;color: #25d366;background-color:#fff;}
.my-float{margin-top:16px;}