Update docs/forms/selects/options.html

docs/forms/selects/options.html

@@ -90,6 +90,12 @@ <h2>Select menus</h2>
 				<pre><code>$('select').selectmenu(<strong>{ nativeMenu: "false" }</strong>);</code></pre>
 			</dd>
 
+			<dt><code>overlayTheme</code> <em>string</em></dt>
+				<p class="default">default: a</p>
+				<p>Sets the color of the overlay layer for the dialog-based custom select menus and the outer border of the smaller custom menus. It accepts a single letter from a-z that maps to the swatches included in your theme. By default, the content block colors for swatch A will be used for the overlays. This option is also exposed as a data attribute: <code>ui-body-d</code></p>
+				<pre><code>$('select').selectmenu(<strong>{ overlayTheme: "d" }</strong>);</code></pre>
+			</dd>
+
 			<dt><code>shadow</code> <em>boolean</em></dt>
 			<dd>
 				<p class="default">default: true</p>