How to style 'outer table' at top of journal?

[liznaomi]

A box recently started appearing above my content (where a header would be). This hasn't been there in the past and I haven't altered my journal style. Is this a change to LJ or am I missing something?

Please see the screencaps below (or view the issue on my journal).


The brown bar at the top is what I'm trying to get rid of:


My current CSS settings: