It's displaying perfectly fine for me. Are you still experiencing the problem? The only thing I can think of is you had your Home menu link which displays frontpage articles mis-configured. You need to set the following if you want full width display.

# Leading: 5
# Intro: 0
Columns: 1
# Links: 0

The above should give you 5 full width articles. Adjust as necessary.

Reviewing source it has nothing to do with the template. Joomla renders the content inside of the content pane; not the template. The table that is being rendered does not have the width attribute, but this is irrelevant sense there is no width defined it will expand to meet its content (be as large as the longest string of text). Couldn't duplicate locally; seams something is just mis-configured with your Home menu link. Play with the parameters until you've the desired display.

PM backend login credentials and will take a look when I have time as this is not an issue with CB and/or its template but instead Joomla and/or it's configuration (you might find better feedback on Joomlas boards).