     <umb-control-group label="@general_constrain">
                                <input id="constrain" type="checkbox" ng-model="model.embed.constrain" />
                            </umb-control-group>
                        </div>
                        
                    </umb-box-content>
                </umb-box>
            </umb-editor-container>

            <umb-editor-footer>
                <umb-editor-footer-content-right>
                    <umb-button
                        type="bu