Style problem with grid headers on Internet Explorer 11

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   Style problem with grid headers on Internet Explorer 11

   
   

   
   

   Style problem with grid headers on Internet Explorer 11

   
   
   
   

   
   

   I've noticed that with IE11 grid headers doesn't display correctly.
   

   Firefox:
   
   firefox.jpg

   
   

   Internet Explorer:
   
   explorer.jpg

   
   

   The same problem appears on the sencha docs examples, so it isn't my code failure...

   
   

   
   

   
   

   
   

   
   

   
   
   
   

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Style problem with grid headers on Internet Explorer 11