.Btn{justify-content:flex-start;width:45px;height:45px;border:none;border-radius:50%;cursor:pointer;position:fixed;bottom:20px;right:20px;overflow:hidden;box-shadow:2px 2px 10px rgba(0,0,0,.199);background-color:#00d757;z-index:9999}.Btn,.sign{display:flex;align-items:center;transition-duration:.3s}.sign{width:100%;justify-content:center}.sign svg{width:25px}.sign svg path{fill:#fff}.text{position:absolute;right:0;width:0;opacity:0;color:#fff;font-size:1.2em;font-weight:600}.Btn:hover,.text{transition-duration:.3s}.Btn:hover{width:150px;border-radius:40px}.Btn:hover .sign{width:30%;transition-duration:.3s;padding-left:10px}.Btn:hover .text{opacity:1;width:70%;transition-duration:.3s;padding-right:10px}.Btn:active{transform:translate(2px,2px)}