How to validate phpbb styles?

[Snot]

http://validator.w3.org/check?uri=http%3A%2F%2Fwww.drysnot.com%2Fforums&charset=%28detect+automatically%29&doctype=Inline&group=0

I am using a style that is not valid and I would like to know what file/files I need to try and edit to make it valid.

Thanks so much for the help.

My forums are here http://www.drysnot.com/forums

[tech_support]

Read the actual errors and fix 'em.

[Snot]

turns out most of them were due to the wrong doc type

thx 4 your help

[Master_script_maker]

it says that there are still 171 errors.
look here to see the errors (http://validator.w3.org/check?uri=http%3A%2F%2Fdrysnot.com%2Fforums%2F&charset=%28detect+automatically%29&doctype=Inline&ss=1&outline=1&group=0&No200=1&verbose=1)

Fixed broken link.