html body {
    background-attachment: fixed;
    background-color: #1d1d1d;
    background-image: url("../../../all/themes/coplex/img/back-top.jpg");
    background-position: center top;
    background-repeat: no-repeat;
    background-size: cover;
    font-family: 'Century Gothic',Helvetica,Arial,sans-serif;
    font-weight: 300;
    margin: 0;
    padding: 0;
}