Small cosmetic change

node/templates/index.html

@@ -55,7 +55,7 @@
             {{range .Nodes}}
             <li>
               {{.Name}} <span class="badge badge-secondary">{{.NumListeners}}</span>
-              {{if not .IcecastOk}}<span class="label label-danger">IC_DOWN</span>{{end}}
+              {{if not .IcecastOk}}<span class="badge badge-danger">IC_DOWN</span>{{end}}
             </li>
             {{end}}
           </ul>