/* back to top */



#back-top {
    bottom: 140px;
    left: 50%;
    margin-left: -550px;
    position: fixed;
    visibility: hidden;
    z-index: 9999;
}
#back-top a {
    -moz-transition: all 1s ease 0s;
    color: #BBBBBB;
    display: block;
    font: 10px/100% Arial,Helvetica,sans-serif;
    text-align: center;
    text-decoration: none;
    text-transform: uppercase;
    width: 60px;
}
#back-top a:hover {
    color: #000000;
}
#back-top span {
    background: url(../images/up-arrow.png) no-repeat scroll center center #DDDDDD;
    border-radius: 10px 10px 10px 10px;
    display: block;
    height: 60px;
    margin-bottom: 7px;
    width: 60px;
}
#back-top a:hover span {
    background-color: #777777;
}