让图片自适应大小的css代码，兼容IE,FireFox

<style>

#detail_content_image {width:200px;text-align:center; padding:5px;}

#detail_content_image img{ margin:5px; width:expression(this.clientWidth>document.getElementById("detail_content_image").scrollWidth*9/10? "200px": "auto" );border:1px dashed #000;}

</style>

试下：

1. #detail_content_image {width:200px;text-align:center; padding:5px;}
   
2. #detail_content_image img{ max-width:200px; width:auto; }
   
3. #detail_content_image img{ margin:5px; width:expression(this.clientWidth>document.getElementById("detail_content_image").scrollWidth*9/10? "200px": "auto" );border:1px dashed #000;}

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