Forum Highlight, Postbit_Background, and user profiles.
 

Hey,
I have just purchased vbulletin yesterday and I'm working on a style, I've nearly finished just hit a few snags. Any help on the below would be great.
Highlight
On page .../profile.php?do=editprofile and in a few other places when I hover my mouse over the links in the left menu the link I hover over gains a coloured box over it in #FFEB90 (yellowish) colour. I am trying to change this colour but cant find it's stylevar anywhere.
Postbit_Background
The Postbit_Background I assume is the actual part where a users posted message (the actual text part of it) shows up in a post, I have tried changing its background to match my style but it insists on staying transparent.
User Profiles
On page .../member.php/3-USERNAME I cannot seem to find any stylevars for the three sections "Visitor Messages" "About Me" "Friends" if anyone knows how these can be configured I would be very grateful in finding out :D
Dropdown Menus
On the three drop down links in the nav bar called "Community Forum" "Actions" and "Links" I just can not seem to manage to get rid of a white background/border.
Again, any help with any of these problems would be brilliant
Thanks!
Ps. My forum can be found Here[/URL] if you need to see what I'm talking about :)