title: QComboBox customize items
body: <p>I want to achieve the same effect as designed by our artist
  <a href="https://i.stack.imgur.com/L84Xg.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/L84Xg.png" alt="enter image description here" /></a></p>
  <p>From the help of some good souls in here, I know how to do this in QML, but I overlooked the application and it doesnt uses QML but straight up QComboBox widget in Qt designer styled in style sheet.</p>
  <p>How can I achieve such look for each item in combobox?</p>