#logo { z-index=1; background-color: #e9b4d0; position: absolute; top: 10px; left: 10px; width: 166px; height:92px; visibility: visible; display: block; } #head { z-index=1; background-color: #952821; position: absolute; top: 10px; left: 186px; width: 818px; height:92px; visibility: visible; display: block; } #navigation { z-index=1; background-color: #e9b4d0; position: absolute; top: 112px; left: 10px; width: 166px; height:550px; visibility: visible; display: block; } #content { z-index=1; background-color: #e9b4d0; position: absolute; top: 112px; left: 186px; width: 818px; height:550px; visibility: visible; display: block; overflow: auto; } #back { z-index=0; background-color: #ffffff; position: absolute; top: 10px; left: 10px; width: 994px; height:652px; visibility: visible; display: block; overflow: auto; }