Where does WordPress store custom post types?

[wesin]

I've downloaded a theme on WordPress, installed it and added a few pages etc. I'm wanting to add a bit of functionality to it so i've decided to add a sticky menu using jQuery. I've installed the relevant scripts and got the plugin working.The theme I downloaded off themeforest allows end users to create a 'section', Which is basically a custom content type that can break parts of the page up. So on my homepage I've broken up parts of the page in to sections, but I want to add the sticky to a particular section, so when you scroll down to it, the section remains in view at all times.To use the sticky plugin i either need to apply a class to the parent div or wrap the parent div in tags. So my question is, is there any way to actually edit the code of a custom content type? I know that WordPress works on a template basis, so every time you create a page, post etc. it's just stored in the database. But surely there must be a way to edit the code of a particular page.I hope i've made sense. For anyone wanting to know what i'm on about heres the link -www.gogoblondie.comThe website is still in development, but it's the black section with that i want to stick as the user scrolls.Arran