A device may receive a widget template of a widget. The widget template may include information relating to one or more fields of the widget and content for the one or more fields. The device may receive a stylesheet of the widget. The stylesheet may include information relating to respective style identifiers of the one or more fields. The device may generate a markup object of the widget based on the widget template. The markup object may include respective markup object entries for populating the one or more fields with the content. The device may assign the respective style identifiers to the respective markup object entries, and cause an action to be performed in connection with the markup object.