title: nesting inside css :not() selectors
body: <p>Is it possible to have nested values inside the :not selector? For eg:</p>
  
  <pre><code>:not(div &gt; div)
  </code></pre>
  
  <p>Whenever I tried it, it does not seem to work. 
  Perhaps you need to use it another way which I have not figured out?
  So far, in all the examples I see, you can only use one value inside this selector.</p>