SeatGeek: Visual Updates

Hey, @MariagraziaAlastra!

Here is a summary of the changes:
- Used CSS to trim the title instead of JS.
- Lightened some of the content by using the `tx-clr--lt` class.
- Price looks lower than the date so I adjusted that a bit.

Screenshots:
http://www.browserstack.com/screenshots/72b4fd1806a134bca4d727ba08bddcdf37972941