Tweaking the layout?

[moreduff]

Hi everyone,
I've been tweaking the site and ended up with the main layout, distorted.

www.thefireworkstore.co.uk

I've been looking now for a while to see where to even up the columns and/or main section but to no avail.
Any help would be appreciated.

[michael_s]

The problem is your manufacturers box dropdown menu. Shorten the width of the box or the name of the manufacturers. They are too long, breaking the formatting.

[moreduff]

Many thanks, so simple yet so frustrating.