.ipo-planning-tooltip{
    font-size: 1.5em;
}

.ipoplan-resource-data-label.ipo-planning-display-tooltip a img{
    display: none;
}

.ipoplan-resource-data-label.ipo-planning-display-tooltip a{
    background: url(../img/search-red.png) no-repeat;
    width: 16px;
    height: 16px;
    display: inline-block;
}