<bevel border="1 1 3 3" colors="#000000 #FFFFFF" solid="0">
  <composite>
    <solid color="#C0C0C0" width="15" height="15"/>

    <crop tint="#010101" srcx="1" srcy="1" width="13" height="13" x="1" y="1">
      <img src="dots/x_medium"/>
    </crop>
  </composite>
</bevel>

