Comment footer background colour + Space between widgets in 3.2

Thanks to the wonderful customisation of this theme, I have managed to get it almost exactly how I want (thank you!) I am still having issues with two things, and although I have been looking in the forums I cannot find the solutions.

1) Changing the background colour of the comments/tags/etc. box at the bottom of posts. I'd like to change it from grey to white. I'd also like to change the font/link colours, have the text in it centered and if possible add a border around the box (although this is not necessary). If you just let me know where to change these things (if it's in the stylesheet etc.) I can figure out the rest for myself.

2) Add a vertical space between the widgets, like on this website: http://www.emilyabigail.com. I realise she has images instead of plain font, if that is easier accomplish and/or to explain how to do I would be happy doing that.

This is what my website looks like currently: http://www.poppygallico.com Everything looks a bit squished up so I just want to separate them out a little.

Thanks for any help!