#banner {
    width: 100%;
    overflow: hidden;
    position: relative;
    margin-bottom: 104px;
    z-index: 1;
}
#banner:before {
    content: '';
    position: relative;
    width: 100%;
    display: block;
    background: url('../img/loader.gif') no-repeat center center;
    z-index: -1;
}
#banner:before { padding-bottom: 635px; }

@media screen and (max-width: 767px) {
    #banner { margin-bottom: 50px; }
    #banner:before { padding-bottom: 111%; }
    #banner .nivoSlider {
        width: 283%;
        left: -102%;
        margin-left: 0;
    }
}