title: option:disabled css style does not works on Chrome and Safari for MAC
body: <p>I can not change color for a disabled option on Chrome and Safari for MAC OSx. On firefox this code works. How can i override styles cross browser? </p>
  
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-css lang-css prettyprint-override"><code>option:disabled {
    color: #a69474;
  }</code></pre>
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;select&gt;
    &lt;option value="volvo"&gt;Volvo&lt;/option&gt;
    &lt;option disabled 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>
  </div>
  </div>
  </p>