Update class name.

static/js/controllers/roomchangecontroller.js

@@ -59,7 +59,7 @@ define([], function() {
 				ctrl.getRoom(function(roomdata) {
 					console.info("Retrieved room data", roomdata);
 					$scope.roomdata = roomdata;
-					$element.find(".roomcreate-btn").get(0).focus();
+					$element.find(".btn-roomcreate").get(0).focus();
 				});
 			}
 		};

static/partials/page/welcome.html

@@ -7,7 +7,7 @@
 		    <input type="text" class="form-control roomdata-link-input input-lg" ng-model="roomdata.name" placeholder="{{_('Creating room ...')}}">
 		    <div class="welcome-input-buttons">
 		      <a class="fa fa-refresh" ng-click="refreshRoom()"></a>
-		      <button class="btn btn-primary roomcreate-btn" type="button" ng-disabled="!roomdata.link" ng-click="changeRoomToId(roomdata.name)">{{_("Create")}}</button>
+		      <button class="btn btn-primary btn-roomcreate" type="button" ng-disabled="!roomdata.link" ng-click="changeRoomToId(roomdata.name)">{{_("Create")}}</button>
 		    </div>
 		  </div>
 		</p>