.tip {font:10px/12px
                    Arial,Helvetica,sans-serif; border:solid 1px
                    #000099; width:270px; padding:3px;
                    position:absolute; z-index:100;
                    visibility:hidden; color:#000099; top:20px;
                    left:90px; background-color:#ffffff;
                    layer-background-color:#ffffff;}