newbie question about the css and editing the theme to match to my website

I have a website at http://www.boatshelbyville.com that is using the Andreas02 template. I am trying to add Gallery 2 and hopefully get it to blend into the rest of the site. The Gallery is installed at http://www.boatshelbyville.com/gallery and shows what my problem is. I went to:

http://codex.gallery2.org/Gallery2:How_to_visually_embed_Gallery_in_your_own_website_by_editing_theme_templates

and followed the instructions and it looks like it was slowly coming along but for some reason it didn't correctly pick up the andreas02.css and the print.css. Can anyone tell what I might've missed or what I might've not added in correctly? If I need to post the .tpl file let me know and I will post it for people to gander over.

Edit: Moved this question over to the theme forum since I realized it was more of a theme question and not a css question. Sorry about that. Close if needed.