<UXML xmlns="UnityEngine.UIElements">
    <VisualElement class="thumbnail" name="thumbnail-container">
        <VisualElement class="thumbnail-underlay">
            <Label name="thumbnail-placeholder-text" />
        </VisualElement>
        <VisualElement name="thumbnail-image" />
        <VisualElement class="thumbnail-overlay">
            <Label name="thumbnail-hover-text" />
        </VisualElement>
    </VisualElement>
</UXML>