div.iw {
width:250px;
font-size:0.8em;
}
div.markerTooltip {
text-align: center;
opacity: .90;
filter: alpha(opacity=90);
padding: 1px 0.3em;
font-weight: bold;
font-size:0.9em;
border: 1px solid #448;
background: #fff;
}