body:before { content: ""; display: block; position: fixed; left: 0; top: 0; width: 100%; height: 100%; z-index: -10; background-image:url(JWLow.jpg); -webkit-background-size: cover; -moz-background-size: cover; -o-background-size: cover; background-size: cover;}body{margin:0 auto;padding:0;background-image:url(JWLow.jpg);background-repeat:repeat-x}@media (max-width:670px){body{margin:0 auto;padding:0;background-image:url(JWLow.jpg);background-repeat:repeat-x}}@media (min-width:1367px) and (max-width:4660px){body{margin:0 auto;padding:0;background-image:url(JWHigh.jpg);background-repeat:repeat-x}}