tent{margin:0
2%;positioive;}
。tent-tainer{background:FFF;width:96%;margin-top:8px;padding:10px;positioive;}
-->
<style>
<head>
<body>
<div
id="header"><h1><h1><div>
<div
id="tent">
<div
class="tent-tainer"><fieldset>
<h2>500
-
<h2>
<h3><h3>
<fieldset><div>
<div>
<body>
<html>