.tip {font:10px/12px
      Arial,Helvetica,sans-serif; border:solid 1px
      #666666; width:270px; padding:1px;
      position:absolute; z-index:100;
      visibility:hidden; color:#333333; top:20px;
      left:90px; background-color:#ffffcc;
      layer-background-color:#ffffcc;}