A group of selectbox items

<oreesh-selectbox style="width: 200px;">
    <oreesh-selectbox-group label="Fruits">
        <oreesh-selectbox-item>Apple</oreesh-selectbox-item>
        <oreesh-selectbox-item>Banana</oreesh-selectbox-item>
    </oreesh-selectbox-group>
    <oreesh-selectbox-group label="Vegetables">
        <oreesh-selectbox-item>Onion</oreesh-selectbox-item>
        <oreesh-selectbox-item>Carrot</oreesh-selectbox-item>
    </oreesh-selectbox-group>
</oreesh-selectbox>