title: How to change color of Button (material-ui) on navigation on it?
body: <p>There is react + material-ui application and used Button component.</p>
  
  <pre><code>&lt;Button classes={{root: classes.button, label: classes.label}} variant="raised" color="primary"&gt;
  </code></pre>
  
  <p>Which attribute do I need change for changing background color of button on click?
  By default it is yellow.</p>
  
  <p>I got Button component from here <a href="https://material-ui-next.com/demos/buttons/" rel="nofollow noreferrer">https://material-ui-next.com/demos/buttons/</a></p>