.site-header {
    z-index: 10;
    position: absolute !important;
    width: 100% !important;
}
.vc_row-fluid.header {
    background-image: url(https://www.rockthevoteactionfund.org/wp-content/uploads/2018/07/rtvaf-bg.jpg);
}

article {
    margin-top: auto !important;
}