Reference URL http://wex5.com/cn/bbs/forum.php?mod=viewthread&tid=76621&page=1#pid165165980
Switch to the source page and set style
style="background-image:url(/x5/UI2/fellowIndex/goods1.png) on the div of window;background-size: 100% 100%; -moz-border-image: url (/x5/UI2/fellowIndex/goods1.png) 0; background-repeat:no-repeat; background-image:none;"