html{position:relative;min-height:100%}body{margin-bottom:60px}.footer{position:absolute;bottom:0;width:100%;height:60px;line-height:60px;background-color:#f5f5f5}.play-btn{cursor:pointer}.play-btn:hover{border-radius:10px;-webkit-box-shadow:0 0 0 .2rem rgba(0,123,255,.25);box-shadow:0 0 0 .2rem rgba(0,123,255,.25)}