user/src/com/google/gwt/uibinder/sample/client/WidgetBasedUi.css

.menuBar {
  border:solid;
  background-color:white;
}

/*
 * Demonstrates that the ui.xml has access to styles that 
 * do not back any declared CssResource api
 */
.privateColor {
  color: SteelBlue;
}