Update Google Maps fix

Google Maps doesn't work for me, I think you need to use `.gm-style ing`.

`.gm-style`
![capture decran 2014-07-26 a 13 40 10](https://cloud.githubusercontent.com/assets/2061540/3711013/cbe82590-14b9-11e4-9c1f-c6e6818666fb.png)

`.gm-style img`
![capture decran 2014-07-26 a 13 41 03](https://cloud.githubusercontent.com/assets/2061540/3711014/cdab50e6-14b9-11e4-9222-7a57bad86ceb.png)