为什么在使用WAMP的网站上没有在Firefox上使用div表？

I can get regular table tags working fine, but I need them to be divs in order to easily let users adjust the size. I used the [converter tool here][1] to generate my div-table code. The demo on that site is working fine as is every other div-table I've seen on the internet. When I inspect the element of the div-table, there's nothing in the styling box. My borders are not showing up either. The rows all seem to be in the right position, but the cells within each row are arranged vertically instead of horizontally.I can get regular table tags working fine, but