SeatGeek IA

For @MariagraziaAlastra.

Tested in a bunch of browsers:
http://www.browserstack.com/screenshots/9bdcd9b7bb9d09edbcdb0112f8e3d062464cbac7
http://www.browserstack.com/screenshots/82a50cc0be52b1b9b2be843819ec33a500b2eb33

And made a few tweaks a long the way.