.whats-fixo{position: fixed;width: 60px;height: 60px;margin: 20px;right: 0;bottom: 0;z-index: 9999999999;background: url('content/whatsapp.svg') no-repeat center center, #70a83b;background-size: 30px 30px;border-radius: 50%;transition: .4s;}
.whats-fixo:hover{box-shadow: 0 0 6px black;}