#to_top {
    background: rgba(0, 0, 0, 0.7) url("/media/images/totop.png") no-repeat scroll 0 0;
    bottom: 20px;
    cursor: pointer;
    display: none;
    height: 40px;
    position: fixed;
    right: 20px;
    width: 40px;
}
.extra_pad{
	padding-bottom: 50px;
}