.grace-dsc-web-layout-box{width:100%}.index_box{position:relative}.btn{position:absolute;bottom:10%;left:50%;transform:translate(-50%);z-index:2;animation:pulse 2s infinite ease-in-out}@keyframes pulse{0%{transform:translate(-50%) scale(.8)}50%{transform:translate(-50%) scale(1.1)}to{transform:translate(-50%) scale(.8)}}.footer{text-align:center;color:#fff;font-size:12px;padding:0 0 10px;position:absolute;bottom:0;left:0;width:100%}