问题
I can't remove inset borders from object elements in IE11. They don't appear in any other browser or version of IE as far as I can tell. See the attached screenshot. Setting border as an attribute or inline style doesn't work... any ideas?
回答1:
Add border-style: none; to your css for that div.
来源：https://stackoverflow.com/questions/29478728/remove-border-from-object-element-in-ie11