div.maptipContainer {
    display: none;
    border: 1px solid #000;
    background-color: #E5DAC7;
    line-height: 0px;
    font-size: 0px;
    position: absolute;
    z-index: 101;
}

iframe.maptipShim {
    position:absolute;
    top: 0px;
    left: 0px;
    width: 100%;
    height: 100%;
    filter: Alpha(opacity:0);
    opacity: 0;
    -moz-opacity: 0;
    z-index: -1;
}

div.maptipContent {
  font-family:  Arial, Helvetica, sans-serif;
  font-size: 11px; 
  line-height: 14px;
  padding: 4px;
}