.float{animation:pulse 2s infinite;background-color:#25d366;border-radius:50px;bottom:40px;box-shadow:2px 2px 3px #999;color:#fff;font-size:30px;height:60px;position:fixed;right:40px;text-align:center;width:60px;z-index:100}@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(0,0,0,.7);transform:scale(.95)}70%{box-shadow:0 0 0 10px transparent;transform:scale(1)}to{box-shadow:0 0 0 0 transparent;transform:scale(.95)}}.my-float{margin-top:16px}