@layer pages{.ul{width:600px;margin:0 auto;padding:10px;list-style:none;color:#000;border:1px solid #000}.li{margin-bottom:10px;font-weight:700}.block{width:800px;margin:0 auto 15px;padding:5px;border:1px solid #5ec9c6}.block h2{font-weight:700}.block p{margin-top:10px}}