title: How to change color of default style for progressbar in Qt
body: <p>How I can change green tint in default QProgressbar style, without changing other default gradients and effects (a little noticeable "flow white chunk" effect): </p>
  
  <p>Default QProgressbar style</p>
  
  <p><img src="https://i.stack.imgur.com/Pc3JJ.gif" alt="">.</p>
  
  <p>I was tried to set new combination of background colors for <em>QProgressBar::chunk:horizontal</em> using <em>qlineargradient</em>, but I did not succeed to keep mentioned effect with any of such stylesheets.</p>