#wrapper { width: 1150px; } #slideshow img, #banner, #banner img { width: 850px; height: 283px; } @media only screen and (min-device-width : 768px) and (max-device-width : 1024px) { #container, #extraContentTop, nav { width: 850px; margin-right: auto; margin-left: auto; } } @media only screen and (min-device-width : 320px) and (max-device-width : 480px) { #container, #extraContentTop, nav { width: 850px; margin-right: auto; margin-left: auto; } }