What could cause the same browser on different PCs to render the same HTML differently?

Question

I\'m stumped. A client and I are both running Firefox 3.0.12 on XP machines. We view the same page in the same browser on different machines and have different results. Note: Al

Answer 1

Are you both using the exact same screen size? Does firefox try to scale the fonts to the apparent size of the person viewing the page, or to a specific number of pixels?