@media (min-width: 768px) {
    .mobile-banner { display:none!important; }
}


@media only screen and (min-width: 320px) and (max-width: 768px) {
    .mobile-banner { display:block!important; }
    .desktop-banner { display:none!important; }
    .bottom-banner { display:block!important; clear:both; }
}

.mobile-banner .carousel-inner div.item
{
    height: 200px!important;
    min-height: 250px!important;
}