/*http://css.flepstudio.org/en/css-tips/css-tooltip.html*/

a.css_tooltip{
position:relative; /*necessary to position next the span in an absolute way*/
text-decoration:none; /*remove the underlining from the links*/
}

a.css_tooltip:hover{
background-color:#FFFFFF; /*a background color is needed for Internet Explorer 6*/
}

a.css_tooltip span{
display:none; /*hide the span element in opening*/
}

a.css_tooltip:hover span{
display:block; /*the span element are converted from inline to block element*/
position:absolute; /*absolute positioning in rapport to their parent link*/
z-index:20; /*needed to position the element span above other links*/
top:1.4em;
left:2em;
/*style of the css tooltip*/
width:95px;
border:1px solid #0CF;
background-color:#CFF;
color:#000;
padding:5px;
}

a.top_nav_link {
 font-size: 11px;
}