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From 2013.igem.org

/* Compulsory IDs ***********************************************************/ #catlinks { border:none; background-color:transparent; } #footer-box{ border:none; } #top-section { background-color:transparent; border: none; height:20px; } #p-logo { display: none; } #search-controls { background-color:transparent; display: none; } .firstHeading { display: none; } #content { background-color:transparent; position: relative; width: 975px; margin: 0 auto; padding:0; color: black; border: 1px solid #d9d9d9; line-height: 1.5em; z-index: 2; } body { background-color:#fff; } .right-menu li a, .right-menu li a:hover { /*reserved*/ color: #3c6b27; } /*#menucontainer { overflow:visible; position:relative; z-index:3; }*/ #contentSub { margin: 0 0 0 0; } #wrapper{ width:960px; margin:0 auto; background-image:url('https://static.igem.org/mediawiki/2013/c/ce/Hkuwallpaper.jpg'); background-repeat:no-repeat; background-position:center; background-attachment:fixed; background-size:contain; } #header{ width:960px; margin:0 auto; text-align:center;background-color: #D00000 ; } #content1{ background-color:transparent; width:960px; margin:0 auto; }