.tb1{
    BORDER-RIGHT: #c0c0c0 0px solid;
    BORDER-TOP: #c0c0c0 0px solid;
    BORDER-LEFT: #c0c0c0 0px solid;
    BORDER-BOTTOM: #c0c0c0 0px solid;
    BACKGROUND-COLOR: #f9fff5;
    
    }