@media (max-width: 979px) and (min-width: 768px) {
    body {
        background: url(../img/background.png) 0 120px repeat-x #fff;
    }
}
@media (max-width: 767px) {
    body {
        background: url(../img/background.png) 0 120px repeat-x #fff;
    }

    .carousel-caption{
        padding:2px 5px 2px 5px;
    }

    .carousel-caption h4{
        font-size: 0.7em;
        margin:0;
        line-height: 10px;
    }

}