.loadingContainer {  
    position: fixed;
    z-index: 10000;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    background: rgba(1,1,1,0.6) url('../images/loading.gif') 50% 50% no-repeat;
}

body.loading {
    overflow: hidden;
}

    body.loading .loadingContainer {
        display: block;
    }


.back-to-top {
    background: url(../images/back-to-top.png) no-repeat left top;
    bottom: 5px;
    height: 48px;
    position: fixed;
    right: 20px;
    width: 51px;
}

.back-to-top a {
    display: block;
    text-indent: -9999px;
    width: 51px;
    height: 48px;
}