body { background-color: black !important; color: white !important; } div.whole-slide { width: 100% !important; } h1 { position: fixed; top: 60%; background-color: rgba( 255, 255, 255, 0.8) !important; text-align: center; width: 100%; vertical-align: bottom; } img { position: relative; z-index: -4; margin: 0; padding: 0; width: 100%; height: 766px; overflow-y: hidden; } p.attribution { display: block; position: absolute; bottom: 0px; background: white; color: black; right: 0px; opacity: 0.6; } div { position: relative; }