<!DOCTYPE html>
<html>
<link rel='stylesheet' type='text/css' href='style.css'>
<style>
div:nth-child(1) > .meter-sub-optimum { width: 10%; }
div:nth-child(2) > .meter-sub-sub-optimum { width: 10%; }
div:nth-child(3) > .meter-sub-optimum { width: 40%; }
div:nth-child(4) > .meter-optimum { width: 10%; }
div:nth-child(5) > .meter-optimum { width: 0%; }
div:nth-child(6) > .meter-sub-optimum { width: 20%; }
</style>
<body>
<div class="meter-element">
<div class="meter-sub-optimum">
</div>
</div>
<div class="meter-element">
<div class="meter-sub-sub-optimum">
</div>
</div>
<div class="meter-element">
<div class="meter-sub-optimum">
</div>
</div>
<div class="meter-element">
<div class="meter-optimum">
</div>
</div>
<div class="meter-element">
<div class="meter-optimum">
</div>
</div>
<div class="meter-element">
<div class="meter-sub-optimum">
</div>
</div>
</body>
</html>