Keyword tag page restyle

Before:
![screen shot 2014-10-08 at 15 05 09](https://cloud.githubusercontent.com/assets/2579465/4560341/4a1fcf66-4ef4-11e4-92b1-4412eb602e17.png)

After:
![screen shot 2014-10-08 at 15 05 29](https://cloud.githubusercontent.com/assets/2579465/4560351/55c9bd90-4ef4-11e4-8cec-b7d5a5404288.png)