[SOLVED] How Do You Add Extra Space Between Category or Page Menu Items?

Let's say you have a Category Bar under your header image, and it's got "Home" and then 5-10 Category names going across the bar. But the Category names are all close to each other instead of being nicely.....spread......out......across......the... ...bar for easier readindg and to fill up the whole bar's width, not just crunched to the left side.

How do we add padding? in between menu items. Adding pixel thickness to the surrounding Border spreads 'em a little more, but then you get thick borders and a too-tall Bar (since this also adds thickness above and below the items,) so that can't be it.

Is there a place in the CSS or various phps where the space between items is dictated?