Форумы / Cotonti / Support / How to make website wider?

Yea, I only asked because I was roadblocked.. and had no idea where to go V.V but you definitely did help me.

Added 3 hours 22 minutes later:

Im having a problem with my forum posts now, they are WAY to wide and I have absolutely no idea how to fix it. Let me post a screenshot to show you what it looks like.