I'm getting a bizarre error from FF Firebug:
Here's the context between (<head> and </head>):
missing } in XML expression margin-bottom: 110px;
And here's the doctype:
Didn't intend to create any XML and I don't get that there is a missing } either. All I intended to do was create a "non-IE browsers" style override. The technique worked perfectly on another site:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
Sometimes the alignment resolutions in IE and FF don't work exactly the same. So I've taken to making adjustments for the compliant browsers by inserting a style within the document that will override the CSS file and be invisible to IE through the use of <comment></comment>.
<comment><style type="text/css" title="">