.pagetop {
display: none;
    position: fixed;
    bottom: 130px;
    right: 15px;
}
.pagetop a {
    display: block;
    background-color: #000033;
    text-align: center;
    color: #fff;
    font-size: 36px;
    text-decoration: none;
    padding: 5px 10px;
    filter:alpha(opacity=50);
    -moz-opacity: 0.5;
    opacity: 0.5;
}
.pagetop a:hover {
    display: block;
    background-color: #000033;
    text-align: center;
    color: #fff;
    font-size: 36px;
    text-decoration: none;
    padding:5px 10px;
    filter:alpha(opacity=50);
    -moz-opacity: 0.5;
    opacity: 0.5;
}