text: """Show how to customize the styling of the cluster view with CSS."""
  
  from phy import IPlugin
  from phy.cluster.supervisor import ClusterView
  
  
  class ExampleClusterViewStylingPlugin(IPlugin):
      def attach_to_controller(self, controller):
          # We add a custom CSS style to the ClusterView.
          ClusterView._styles += """
  
              /* This CSS selector represents all rows for good clusters. */
              table tr[data-group='good'] {
  
                  /* We change the text color. Many other CSS attributes can be changed,
                  such as background-color, the font weight, etc. */
                  color: red;
              }
  
          """
  