Q:

White block in menu in IE9 and newer

I'm working on a website and have an issue with IE9 and newer. The site has a left fixed menu that in Chrome, Firefox and Safari are attached to the left border of the window. In IE9 and newer it puts a white block between the window border and the menu.
The site can be found here: http://www.madogrejser.dk
I cannot figure out how to get rid of this white block. Any help is appreciated. 
Kind regards,
Søren

A:

Looks to be this:
media="all"
@media (min-width: 1230px)
body nav.clearfix ul.nav {
display: table-caption;
}

If you disable that display property the box disappears in IE.

