Is the iframe style confusing under IE9? _html/css_WEB-ITnose

I used an iframe to embed another website page (cross-domain) in one page. The style was messed up in IE9, but it was normal in non-IE core browsers. I really don’t understand. I hope you can answer it. Thanks in advance! The code is very simple, as follows:

Reply to discussion (solution)

But when opening the frame reference page in IE, the display is normal: http://pan.baidu.com/share/link?shareid=3273&uk=1862736455

Some websites prohibit embedding on other people’s websites, and some processing codes are added to them. It may be caused by these scripts

Is the processing code only valid for IE core?

It is unlikely, because when I use iframe, at most the right side of the scroll bar in the iframe occupies The gap is different, firefox stands about 4px, and everything else is fine. .