#up {
	display: none;
	position: fixed;
    background: #db2c31;
    bottom: 35px;
    padding: 10px 16px 17px 16px;
    font-size: 30px;
    color: #fff;
    font-weight: bold;
    cursor: pointer;
    right: 50%;
    margin-right: -550px;
    z-index:100;
}