.example{font-size:12px}.post h2{margin:0 0 30px;padding:12px 10px;background:#0077B3;color:#fff;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px}.post h3{border-bottom:1px solid #000}.post h4{border-left:23px solid #0077B3;margin-left:10px;padding-left:10px}