Black background between tabs in Firefox 29.01

1. 
   

   Thank you for reporting this bug. We will make it our priority to review this report.

   
   


2. 
   
   
   

   
   

   
   

   
   
   Last edited by KeanuLee; Today at 11:20 PM.
   
   
   Reason: not able to upload image

   
   

   
   

   
   
   
   

   ---