body {
        background-image: url("/images/pools/ohio/mason_pool-bw.jpg");
        background-position: center 0%;
}

@media (orientation: portrait) {
        body {
                background-position: 30% 50%;
        }
}

@media (orientation: portrait) and (max-width: 500px) {
        body {
                background-image: url("/images/backgrounds/mobile/underwater-dive.jpg");
        }
}