This is pretty hard to explain without pictures since I have no clue what to call all of these... thingys!
As per the image above, when creating a new post or PM, there's this thingy that enable us to resize the 'text space' vertically. The problem is I'm unable to do this when using Chrome. I almost gave up putting up my war application due to this.. annoyance. However, today I just found out that it works perfectly fine in Firefox.
I have a feeling that this might be something that can't be done from the forum's side, but I figured it wouldn't hurt to post here.