body { background:url('/top-10-products/images/style/top-background_3.jpg') top center repeat-x #000; }
#bookcase { width:100%; height:700px; background:url('/top-10-products/images/style/rbg.jpg') top left repeat-x; margin:35px auto 0px auto; text-align:center; } 
#bookcase object { margin:auto; }