#button-up {
    display:none;
    left: 0;
    margin: 0;
    position: fixed;
    bottom: 50px;
    outline:none;
    width: 100px;
    background-color: #00415d;
    color: white;
    line-height: 30px;
    text-decoration: none;
    padding: 0px 0 0 28px;

    border-radius: 0 4px 4px 0;
    -webkit-border-radius: 0 4px 4px 0;
    -moz-border-radius: 0 4px 4px 0;
    -o-border-radius: 0 4px 4px 0;

    box-shadow: 0 2px 4px #999;
    -webkit-box-shadow: 0 2px 4px #999;
    -moz-box-shadow: 0 2px 4px #999;
    -o-box-shadow: 0 2px 4px #999;
    cursor:pointer;
}