@media screen and (max-width: 750px) {
    #default-page-body #content-wrapper #datapane-wrapper {
        margin: 0;
    }
}

@media screen and (max-width: 479px) {
    div#home-page {
        margin-top: 122px;
    }
    #default-page-body .site-wrapper {
        margin-top: 0;
    }
    #default-page-body #content-wrapper #datapane-wrapper {
        margin: 0;
    }
}