*{ font-size:12px; } body { font-family:helvetica,tahoma,verdana,sans-serif; padding:20px; font-size:13px; margin:0; } h2 { font-size:18px; font-weight:bold; margin:0; margin-bottom:15px; } .demo-info{ background:#FFFEE6; color:#8F5700; padding:12px; } .demo-tip{ width:16px; height:16px; margin-right:8px; float:left; }