title: Yii2 How can i add a class to Label of a Menu items
body: <p>How can I add a CSS class on a Label (item)</p>
  
  <p><strong>Example:</strong> </p>
  
  <p><code>['label'=&gt;'Home', 'url'=&gt;['site/home']]</code></p>
  
  <p><strong>This does not work</strong></p>
  
  <p><code>['label'=&gt;'Home', 'class'=&gt;'list-group-item', 'url'=&gt;['site/index']],</code></p>