.page-top {

    position: fixed;

    bottom : 50px;

    right: 40px;

    padding: 10px;

    background : rgb(84, 135, 197) none repeat scroll 0% 0%;

    border-radius: 5px;

    -webkit-border-radius: 5px;

    -moz-border-radius: 5px;

    font-size : 20px;

    -ms-filter: "alpha(opacity=80)";

    -moz-opacity: 0.8;

    -khtml-opacity: 0.8;

    opacity: 0.8;

}