One of my workers at the office messed with that setting too, then didn't know how to change it back.
As for your old look/feel, robably just using a weak theme vs a windows 7 one or something. Right click your desktop, click Personalization. Then you can pick one of the Aero themes. I'm...
Just curious, did you accidentally change your zoom when in chrome? I think ctrl+0 will set it back to default. If you have the ctrl key pressed and use the scroll wheel, it zooms automatically.
I don't use chrome much except for browser testing at work. I'm a diehard firefox user. :)