<link rel="stylesheet" href="https://ajax.googleapis.com/ajax/libs/jqueryui/1.11.4/themes/smoothness/jquery-ui.css">
<script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.11.4/jquery-ui.js"></script>
<h3>I finally got this to work. It was compatability mode in IE11. </h3>
<pre> The reason this was working here and not in our intranet is that IE11 had IE7
compatability mode turn on. Well, I could not turn off for everyone....
So, I added the 1st META line to my web page to turn off compatability mode.
https://msdn.microsoft.com/en-us/library/jj676915(v=vs.85).aspx
MUST BE FIRST LINE IN META TAGS in the head section!!!
Not needed in this fiddle because this is on the internet, not intranet.
</pre>
<pre>
<meta http-equiv="X-UA-Compatible" content="IE=8,9,10,EDGE" />
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
</pre>
<form action="#">
<select name="data[sport]" class="selectmenu" id="sport">
<optgroup label="My Sports">
<option value="Kayaking">Kayaking</option>
<option value="Rock climbing">Rock climbing</option>
</optgroup>
<optgroup label="Other Sports">
<option value="Surfing">Surfing</option>
<option value="Skateboarding">Skateboarding</option>
</optgroup>
</select>
<br/>
<div>
<label for="speed">Select a speed:</label>
<select name="speed" id="speed">
<option value="Slower">Slower</option>
<option value="Slow">Slow</option>
<option value="Medium" selected>Medium</option>
<option value="Fast">Fast</option>
<option value="Faster">Faster</option>
</select>
</div>
</form>