Hello,
I installed an SSL cert into Apache for our Moodle site (https://moodle.mrbritt.com/). When viewed in Firefox, everything is fine, but when viewed in IE8, it asks "Do you want to view only the webpage contact that was delivered securely?" If you choose Yes, it looks like the CSS isn't applied, but if you answer No everything looks fine.
Has anyone run into this issue before?
Here is the correct display of the page, if you answer no.

I would imagine that the link to your style sheet is hard coded in your theme with a http link rather than a https link. This means that the style sheet is not being served over a secure connection but the rest of the page is...
In config.php, the site base link variable was http://moodle.mrbritt.com/. I changed it to https:// and all is well. Thanks!
No problems Matt.