In Internet Explorer 8, when I turn on compatibility mode (which should represent how the browser would look in IE7, right?), the CSS menu on the left of the page squishes down. It looks horrible.
First: Toss in a linefeed once in a while. Format your code for ease of human readability. That all-on-one-line stuff has no, zero, zilch, nada practical benefits.
There are html errors. You should fix them. I didn’t see any that would affect your issue, but errors tend to cascade. I fixed my working copy before trying to debug.
You have the ‘a’ element set to block. That triggers the white space bug in IE6. To #page_menu_ul li a, add {zoom: 1;}.
I could see no benefit to the negative bottom margin on #left_sidebar, and negative top margin on #atheadbottom.
From #left_sidebar, #main_area, delete {float: left;}. That means there’s no use for #atheadbottom {clear: left;}.
That should fix you up, if I haven’t forgotten something else I did.
I’m sorry for the inline output. It must be a WordPress ‘feature’ because my template has carrier return white space.
I will troubleshoot the HTML errors in the future.
Thank you for letting me know about the IE whitespace bug. I had not heard of that before. And that solved my menu’s formatting issue. I officially hate IE now. ptooptooie
The negative margins squeezed the menu together a little more than the browsers naturally wanted to. For aesthetics, I will leave them as is.
As for the floats, I am very hesitant to play with those because the theme has some kind of built-in jQuery action that shifts the columns around based on some algorithm. I would hate to disrupt that. Okay, I’m a big scardy cat.
Aha! Yes, that was one of the errors I fixed in my working copy. Now, what else have I forgotten?
I doubt my suggested change would enter in to that, but there’s a simple way to find out; comment out the float and clear properties. If it ends up breaking, put them back in (which does break IE6 for sure).