Test of ch unit support

HTML

<div class="test"></div>

<div class="z">0000000000</div>

<div>0000000000</div>

<div>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</div>

CSS

div { float: left; clear: left; background: #ccc; font-size: 100px; height: 120px; }

.test { background: #cfc; width: 10ch; }

.z { letter-spacing: -6.55px; background: #fcc; }