Some strange things are happening: i can see page contents in tab preview, but in the tab itself i see only background. Screenshots: http://i72.fastpic.ru/big/2015/0522/8c/f6d5e5156c828b7ddad8b460f201528c.jpg http://i72.fastpic.ru/big/2015/0522/f9/fbc548104502378d3c4b051b654d0cf9.png