css：
*{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：
<div class=”demo”>
<div>
<iframe name=”weather_inc” src=”http://i.tianqi.com/index.php?c=code&id=2&num=5″ width=”650″ height=”70″ frameborder=”0″ marginwidth=”0″ marginheight=”0″ scrolling=”no”></iframe>
</div>
<div>
<iframe name=”weather_inc” src=”http://i.tianqi.com/index.php?c=code&id=7″ 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=”http://i.tianqi.com/index.php?c=code&id=9″ width=”800″ height=”60″ frameborder=”0″ marginwidth=”0″ marginheight=”0″ scrolling=”no”></iframe>
</div>
<div>
<iframe name=”weather_inc” src=”http://i.tianqi.com/index.php?c=code&id=11″ width=”500″ height=”15″ frameborder=”0″></iframe>
</div>
<div>
<iframe name=”weather_inc” src=”http://i.tianqi.com/index.php?c=code&id=13″ width=”650″ height=”221″ frameborder=”0″ marginwidth=”0″ marginheight=”0″ scrolling=”no”></iframe>
</div>
<div>
<iframe name=”weather_inc” src=”http://i.tianqi.com/index.php?c=code&id=19″ width=”800″ height=”120″ frameborder=”0″ marginwidth=”0″ marginheight=”0″ scrolling=”no”></iframe>
</div>
</div>
部分效果： 
我在项目中做了一个下面的效果 
