round blocks
 

Hello,
I am a newbie,but do have some experience with alterations. I am running VB3 gold,and would like to make some customizations.
My homepage is VBAdvanced. Zachery will be very familiar with this,lol.
I want to round the corners of ALL of the blocks both on the homepage as well as the defaults forum itself.
In reference to this site, I want to create all of my "blocks" to have rounded edges,in the same locations that this forum has the "overlapping pages" appearing.
What do I need to edit in order to make this happen? I have no problem editting each template individually. I just want to know what I need to edit and where.
I have a directory called "images/bg" that contains the gifs required to create the round edges.
If I wanted to make this post box have rounded edges,how would I do that? That is probably the easiest way I could ask. lol
Thanks for any assistance you could offer.