.xstooltip 
{
    visibility: hidden; 
    position: absolute; 
    top: 0;  
    left: 0; 
    z-index: 2; 

    font: normal 8pt sans-serif; 
    padding: 3px; 
    border: solid 1px;
    /*
    background-repeat: repeat;  
    background-image: url(images/blue.png); 
    */
    
    background-color:"#E4E4E4";
}