<afx-app-window apptitle="__(About AntOS)" width="600" height="500" data-id="About">
    <afx-vbox padding="10">
        <div data-id="container"></div>
        <afx-hbox data-height="35" style="text-align: right;">
            <afx-button data-id="btnclose" text="__(Close)"></afx-button>
        </afx-hbox>
    </afx-vbox>
</afx-app-window>