<button w="20" h="20">
    <image name="default" x="0" y="0" w="20" h="20" filename="data/gfx/board/grid0.png" visible="1" />
    <image name="active" x="0" y="0" w="20" h="20" filename="data/gfx/board/grid0.png" visible="1" />
    <image name="pressed" x="0" y="0" w="20" h="20" filename="data/gfx/board/grid0.png" visible="1" />
</button>

