Link hervorheben im Menü

#sidebar{
        font-size:1em;
        float:left;
        padding:0px 10px 0 0px;
        margin:0px;
        display: inline;
        width:250px;
}
#sidebar ul{
        list-style-type:none;
        margin:0;
        padding:0;
        clear:both;
        margin-bottom:1em;
}
#sidebar ul li{
        margin:.3em;
        line-height:17px;
        padding:0px 0px 0px 15px;
}
#sidebar ul li a{
        color:#ffffff;
        text-decoration:none;
}
#sidebar ul li a:hover, .current_page_item a, .current_page_ancestor>a{
        margin:-15px;
        padding:0px 0px 0px 15px;
        background:url(images/link.jpg) no-repeat left;
        font-weight:bold;
}

<div id="sidebar">


         <ul>
           <li>
             <?php wswwpx_fold_page_list('sort_column=menu_order&title_li='); ?>
           </li>
         </ul>


</div>