.bttn-section{text-align:center;margin-top:5px}.btn-donate{border:1px solid #3498db;background:none;padding:10px 20px;font-size:20px;font-family:"montserrat";cursor:pointer;margin:10px;transition:0.8s;position:relative;overflow:hidden}.btn-donate::before{content:"";position:absolute;left:0;width:100%;height:0%;background:#3498db;z-index:-1;transition:0.8s}.btn-donate:hover{color:#fff;top:0;border-radius:30% 30% 0 0}