.whatsapp-floating-button{position:fixed;width:45px;height:45px;bottom:10px;right:10px;background-color:#25d366;color:#fff;border-radius:50px;text-align:center;font-size:30px;box-shadow:2px 2px 3px #999;z-index:100}.whatsapp-floating-button>img{margin-top:7.5px;max-height:30px}