<div class="fish">
<div class="fish-png"> <!-- z-index 3 -->
<div class="fish-tail"><img src="tail.png"></div> <!-- position absolute left -->
<div class="fish-head"><img src="head.png"></div> <!-- position absolute right -->
</div>
<div class="fish-processbar">65%</div> <!-- js, z-index 2 -->
<div class="fish-bg"></div> <!-- bg #FFF, size fish-bg == fish -->
</div>