e, you must first check if this is allowed.</p>

<p>a) override the private method <code>_backgroundColorForFontSmoothing</code> to return your button background color.</p>

<p>b) if (a) isn&rsquo;t sufficient, you will also need to override <code>_textAttributes</code> and change the dictionary returned from the <code>super</code> call to provide your background color for the key <code>NSBackgroundColorAttributeName</code>.</p></li>
</ol></li>
</ol>
<h2 id='license' class='heading'>License</h2>

<p><em>The