how should i set my header background ?

hi

respect friends
i wanted to readjust my header...

i have given the image ... of my header http://thesofthelp.com





1. mark red rectangle, in header, i wanted to make the setting for adsense..

2. as u seen the right and left space having no color . i wanted to expand the color of black in both side...like below picture example





kindly help me... thanks in advance

 

create a table...nd assign the bg color..