.lastPriceInfoIcon {
    cursor: pointer;
    margin-left: 5px;
    font-weight: bold;
    position: relative;
    display: inline-block;
}

.lastPriceTooltipWindow {
    display: none; 
    position: absolute;
    background: #fff;
    border: 1px solid #ccc;
    padding: 10px;
    z-index: 9999;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    border-radius: 4px;
    width: 230px;
}