css：
代码如下:
*{margin:0;padding:0;list-style-type:none;}
a,img{border:0;}
body{font:12px/180% Arial, Helvetica, sans-serif, "新宋体";}
/* demo */
.demo{width:800px;margin:0 auto;}
.demo div{margin:40px 0 0 0;}
html：
代码如下:
<div class="demo">
<div>
<iframe name="weather_inc" src="" width="650" height="70" frameborder="0" marginwidth="0" marginheight="0" scrolling="no"></iframe>
</div>
<div>
<iframe name="weather_inc" src="" style="border:solid 1px red" width="225" height="90" frameborder="0" marginwidth="0" marginheight="0" scrolling="no"></iframe>
</div>
<div>
<iframe name="weather_inc" src="" width="800" height="60" frameborder="0" marginwidth="0" marginheight="0" scrolling="no"></iframe>
</div>
<div>
<iframe name="weather_inc" src="" width="500" height="15" frameborder="0"></iframe>
</div>
<div>
<iframe name="weather_inc" src="" width="650" height="221" frameborder="0" marginwidth="0" marginheight="0" scrolling="no"></iframe>
</div>
<div>
<iframe name="weather_inc" src="" width="800" height="120" frameborder="0" marginwidth="0" marginheight="0" scrolling="no"></iframe>
</div>
</div>
更多信息请查看IT技术专栏
