PNG transparency demonstration<br>24bit PNG with 8bit alpha layer
<a href="//commons.wikimedia.org/wiki/User:Ed_g2s/Dice.pov" title="User:Ed g2s/Dice.pov">POV-Ray source code</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>: Rendered in <a href="//commons.wikimedia.org/wiki/POV-Ray" title="POV-Ray">POV-Ray</a> by <a href="//commons.wikimedia.org/wiki/User:Ed_g2s" title="User:Ed g2s">user:ed_g2s</a>.