/* scroll-bottom-to-top */
#scroll-bottom-to-top{ 
    position:fixed;
    right:20px;
    bottom:20px;
    cursor:pointer;
    width:50px;
    height:50px;
    -webkit-border-radius:60px;
    -moz-border-radius:60px;
    border-radius:60px;
    z-index: 1;
  }