Icons from header.html visulalized badly

CKAN version - release-2.1

Icons from header.html visulalized as "square characters" written vertically for Google Chrome. 
![icons_chrome](https://f.cloud.github.com/assets/203209/756883/16a0fa56-e650-11e2-82d9-685ee91d37a0.png)

Icons are visible but written vertically for Opera
![icons_opera](https://f.cloud.github.com/assets/203209/756882/16785a1a-e650-11e2-82a7-0faa8695804f.png)

You may see it here here - http://hub.opengovdata.ru/ru/