NEED HELP! Full screen header & footer

[pc11]

I finally was able to fix the header so that it spans the screen at the top, but now the main section is aligned to the left.

I need it centered in the screen. Does anyone know how I can fix this?

--------------- Added [DATE]1313794043[/DATE] at [TIME]1313794043[/TIME] ---------------

Anybody???

I've been working on this all week.

[Lynne]

#container {    margin: 0 auto;
}