By gum, that worked for me in twenty- ten. Thank you very much.
As to where to put it, you just put it into the box provided for your CSS additions to your site. Go to Dashboard > Appearance > Custom Design
On this screen, choose the CSS and you will be taken to the area where you can add your CSS. You don’t copy the existing CSS sheet in, you just put your changes in the box provided. Just copy what you have here and add it in at the bottom of any other CSS that you have added. Save it, and check out your site to see if it did what you wanted done.