#middle a.wt_csstooltip {
position: relative;
z-index: 50;
color: #000;
font-weight: bold;
cursor: help;
text-decoration: none;
border-bottom: 1px dashed red;
}

#middle a.wt_csstooltip:hover { 
z-index: 250; 
text-decoration: none; 
color: red;
font-weight: bold;
border-bottom: 1px solid red;
}

a.wt_csstooltip span,
a.wt_csstooltip dfn {
display: none;
font-style: normal;
z-index: 250; 
}

a.wt_csstooltip:hover span,
a.wt_csstooltip:hover dfn {
display: block;
position: absolute;
top: 2em;
left: 2em;
width: 17em;
background: #CBD4DE;
border: 1px solid #083362;
color: #083362;
text-align: left;
padding: 5px;
font-size: 11px;
text-decoration: none;
font-style: normal;
font-weight: normal;
z-index: 2500; 
line-height: 15px;
}