.footer-btn{
    position: fixed;
    bottom: 24px;
    background: #fff;
    right: 24px;
    z-index: 99;
    padding: 24px;
    -webkit-box-shadow: 0 0 10px rgba(0,0,0,.12);
    box-shadow: 0 0 10px rgba(0,0,0,.12);
    text-align: right;
}