只需执行以下操作:
<html>
<head>
<style>
#a, #b, #c {background-repeat:repeat-x;}
#a {background-image:url(http://dev.enhancetrade.com/prodetails/images/slider-background-5x5.jpg); background-position:center top;}
#c {background:white; width: 400px; margin: 0px auto;}
#b {background-image:url(http://dev.enhancetrade.com/prodetails/images/slider-background-5x5.jpg); background-position:center bottom;}
</style>
</head>
<body>
<div id="a">
<div id="b">
<div id="c">
adslfijaoifje
adslfijaoifje
<p>asdjfoiajoiafeoi</p>
<p>asdjfoiajoiafeoi</p>
<p>asdjfoiajoiafeoi</p>
<p>asdjfoiajoiafeoi</p>
<p>asdjfoiajoiafeoi</p>
<p>asdjfoiajoiafeoi</p>
<p>asdjfoiajoiafeoi</p>
<p>asdjfoiajoiafeoi</p>
</div>
</div>
</div>
</body>
</html>