#chartdiv{width:100%;height:500px}.row_login{justify-content:center}.whatsapp-button{background-color:#25d366;color:#fff;display:inline-block;padding:10px 20px;border-radius:30px;text-decoration:none;position:fixed;bottom:20px;right:20px;box-shadow:0 0 10px rgba(0,0,0,.2);z-index:9999}.whatsapp-button i{margin-right:10px}