Update style of the ligthbox

#71 

![screenshot 2014 01 20 13 39 30](https://f.cloud.github.com/assets/2622152/1953888/10e33082-81ca-11e3-8c73-744ad84cf83f.png)
![screenshot 2014 01 20 13 40 05](https://f.cloud.github.com/assets/2622152/1953889/10ff2940-81ca-11e3-82d7-279fea714c55.png)
![screen shot 2014-01-20 at 1 39 40 pm](https://f.cloud.github.com/assets/2622152/1953890/1114b9ae-81ca-11e3-85a7-1330f70bf0f9.png)