title: How to customize QTableWidget through stylesheet?
body: <p>I'm trying to customize a <code>QTableWidget</code> through stylesheet and I'm only limited to the items descibed <a href="http://doc.trolltech.com/latest/stylesheet-examples.html#customizing-qtableview" rel="nofollow">here</a>. </p>
  
  <p>How do I change the spacing in the horizontal header of the table, the size of its header label, the spaces between the columns, et al?</p>