title: If a select tag has visibility:hidden, is its value submitted on form submit?
body: <p>If you applied <code>visibility: hidden</code> to a select tag, are its values submitted when you submit the form it's in?</p>
  
  <p>Example CSS: </p>
  
  <pre><code>.my-select {
    visibility: hidden;
  }
  </code></pre>
  
  <p>Example HTML:</p>
  
  <pre><code>&lt;select class="my-select"&gt;
    &lt;option value="volvo"&gt;Volvo&lt;/option&gt;
    &lt;option value="saab"&gt;Saab&lt;/option&gt;
    &lt;option value="mercedes"&gt;Mercedes&lt;/option&gt;
    &lt;option value="audi"&gt;Audi&lt;/option&gt;
  &lt;/select&gt;
  </code></pre>