title: How to change the design of the IconButton in material-ui?
body: <p>Material-ui has provided us with a default icon button. However, I would like to change the design of the default icon button to be like this : <a href="https://i.stack.imgur.com/tvkcw.png" rel="nofollow noreferrer">IconButton design needed</a></p>
  
  <p>May I know how do I change it?
  Thank you. </p>