title: extjs - column headers and row data are not aligned
body: <p>I have a gridpanel and 5 columns in that. Problem is that column headers and row data are not aligned. I believe its just the problem in my project only as when i create an example with the same code then everything works fine. Check the following image:</p>
  
  <p><img src="https://i.stack.imgur.com/ckpOa.png" alt="image"></p>
  
  <p>Can anyone suggest what could be the problem?</p>