I'm trying to figure out how to make the left side of my CSS 2 column main
body have a background color that goes all the way to the bottom of the page,
regardless of how much content is on the right side. Right now, if the right
side (white background) has just a little content, the left side (grey
background) is consistently grey all the way down. But if the right side has a
lot of content, when the left side menu ends, underneath it is white. I've
tried using 100% as height for the panel, but that ...