.cb-scroll{bottom: 0;
margin-right: 10px;
position: fixed;
right: 0;display:none;}
.cb-scroll a{background: rgba(0, 0, 0, 0.5) none repeat scroll 0 0;
border-radius: 5px;
display: block;
padding: 10px 15px;outline: medium none;}
.cb-scroll a i{color: #fff;font-size: 30px;}