I am pretty new to wordpress, and I bought the custom CSS upgrade. I'm using the twenty eleven theme, but am having trouble finding the exact area in the CSS sheet that allows me to make my posts as wide as the header (instead of the default width). I only have one column right now, and would like to maximize the width so that I can show larger images on my blog.
Would love your help. Thanks!
The blog I need help with is whollykao.wordpress.com.