#hintbox{ /*CSS for pop up hint box */
position:absolute;
top: 0;
background-color: lightyellow;
width: 150px; /*Default width of hint.*/ 
padding: 0px 5px 0px 5px;
border:1px solid black;
font:normal 11px Verdana;
line-height:18px;
z-index:100;
border-right: 3px solid black;
border-bottom: 3px solid black;
visibility: hidden;
}