Rotate Txt using css

<style>
#rotate {
width:20px;
height:auto;
float:left;
font-size:11px;
font-family:Verdana;
-webkit-transform: rotate(-90deg);
-moz-transform:rotate(-90deg);
filter:progid:DXImageTransform.Microsoft.BasicImage(rotation=3);
}
</style>

 <th width="22%"><div id="rotate"><?php echo $rec_event->event_name; ?></div></th>