title: Select two classes inside of one complex selector
body: <p>Given two long and complex selectors such as</p>
  
  <pre><code>.question-number td:first-child &gt; span[...]
  .question-text td:first-child &gt; span[...]
  </code></pre>
  
  <p>Is there a way to merge the two such that the long suffix does not need to be repeated? Something like (though this is not valid CSS)</p>
  
  <pre><code>(.question-number | .question-text) td:first-child &gt; span[...]
  </code></pre>