#back-top {
    margin: 0 10px;
}
em {
    font: italic 100% "Times New Roman",Times,serif;
}
#back-top {
    bottom: 30px;
    list-style-type: none !important;
    margin-top: 15%;
    position: fixed;
    right: 30px !important;
    z-index: 9999;
}
#back-top a {
    color: #BBBBBB;
    display: block;
    font: 11px/100% Arial,Helvetica,sans-serif;
    text-align: center;
    text-decoration: none;
    text-transform: uppercase;
    transition: all 1s ease 0s;
    width: 80px;
}
#back-top a:hover {
    color: #000000;
}
#back-top span {
    background: url("../images/back_to_top.png") no-repeat scroll center center #DDDDDD;
    border-radius: 15px;
    display: block;
    height: 80px;
    margin-bottom: 7px;
    transition: all 1s ease 0s;
    width: 80px;
}
#back-top a:hover span {
    background-color: #777777;
}