title: QCombobox down arrow image
body: <p>How to change Qcombobox down arrow image?
  Right now I'm using this QSS code, but this doesn't work, I can't remove down arrow border.</p>
  <pre><code>QComboBox
  {
      border: 0px;
  }
  
  QComboBox::down-arrow
  {   
      border: 0px;
      background-repeat: no-repeat;
      background-position: center center;
      background-image-width: 50px;
      border-image: url(./select-BG.png);
      heidth:50px;
      width:100px;
  }
  </code></pre>
  <p>Here is the screenshot:</p>
  <p><a href="https://i.stack.imgur.com/rbrwL.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/rbrwL.png" alt="image" /></a></p>