HTML|CSS: Space between input buttons

Question

I have a problem in which I have a space between these two buttons.

The code is as follows:

Answer 1

I see they have a set height and width. Adding overflow: hidden should hide the whitespace outside of your defined width. That is an alternative to eliminating the whitespace, as @Pikrass noted. Usually the whitespace is a IE problem, I've not noticed it in FF before.