Changing Theme background color in style.css

I’m using lilypad-25 for a theme, but have changed the header look completely, as well as the color scheme from blue to black and gray, but left the theme’s blue background alone. Last night, I decided to get rid of the blue altogether, but have not been successful in changing the underlying background color in style.css, so the blog looks pretty ugly right now:

Perhaps I’m trying to edit the wrong area? Here’s the text at the very top of style.css, which I think is the basic page background. I want to change the 304663 blue to plain black, #000000.

/* BODY {

background: #304663 url(images/bg.jpg) repeat-x;

*/

I want to change the 304663 blue to plain black, #000000

bg.jpg is a background image component, but is used only along the top row across the screen, and served (in the original, pre-modified theme) as a gradient area to transition from a very dark blue to the lighter blue of the background. The modified bg.jpg is now solid black.

I edited style.css in Notepad on the computer, and then ftp’d it to the theme directory. I don’t have a lot of knowledge about this–for instance, I couldn’t write a style sheet myself from scratch, and just know to keep any changes formatted exactly like the pre-change text.

My issue is that I either need to change the underlying background color, or just have bg.jpg repeat to fill the entire background, not just the top row.

I updated from 2.7 to 2.9 last night, too, and for some reason, I’m now getting borders around all images. I could do a separate post on it, but my guess is I just can’t find the right switch, or is this something I need to correct in style.css, too?

Thanks for any help!!

Ron H