#page-top {
        position: fixed;
        bottom: 20px;
        right: 20px;
        font-size: 77%;
}
#page-top a {
        background: #666;
        text-decoration: none;
        color: #fff;
        width: 100px;
        padding: 30px 0;
        text-align: center;
        display: block;
        border-radius: 5px;
        -webkit-border-radius: 5px;
        -moz-border-radius: 5px;
}
#page-top a:hover {
        text-decoration: none;
        background: #999;
}