<style>
*{margin:0px; padding:0px;}
div#body{width:100%; position:absolute; top:0px; background-color:#FF0000;}
div#main_table{margin:auto; width:750px; height:1000px; background-color:#00FF00;}
</style>
<body>
<div id="body">
<div id="main_table"></div>
</div>
</body>
投稿
