body {
 background-color:#000000;
 overflow-x: hidden;
} 
#portalimage{display: block; position:absolute; width: 100vw; height: 67.22vw; top: 0px; left: 0px; }
#portalimage_img{width: 100vw; height: 67.22vw; }
#portalfooter{display: block; position:fixed; width: 100vw; height: 8.11vw; bottom: 0px; left: 0px; }
#portalfooter_img{width: 100vw; height: 8.11vw; }