Rendering of references in Chrome 49 if the style rule <code>ol.references { -moz-column-width: 20em; -webkit-column-width: 20em; column-width: 20em; }</code> is used. Note the missing numbers in the second and third column. The same happens in Opera 35.
<a href="//commons.wikimedia.org/wiki/User:Entlinkt" title="User:Entlinkt">Entlinkt</a>
<span class="int-own-work" lang="en">Own work</span>