css: 复制代码代码如下: *{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: 复制代码代码如下: <div class="demo"> <div> <iframe name="weather_inc" src="https://cdn.studyweb.cn/imgupload/002246/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="https://cdn.studyweb.cn/imgupload/002246/index.php?c=code&id=7" width="225" height="90" frameborder="0" marginwidth="0" marginheight="0" scrolling="no"></iframe> </div> <div> <iframe name="weather_inc" src="https://cdn.studyweb.cn/imgupload/002246/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="https://cdn.studyweb.cn/imgupload/002246/index.php?c=code&id=11" width="500" height="15" frameborder="0"></iframe> </div> <div> <iframe name="weather_inc" src="https://cdn.studyweb.cn/imgupload/002246/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="https://cdn.studyweb.cn/imgupload/002246/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