div.hallotoolbar {
    border: 1px solid #babdb6;
    padding: 2px;
    background-color: #eeeeec;
    border-radius: 6px;
    font-size: 12pt;
    line-height: 1.1em;
    width: 260px;
}

div.hallotoolbar {
    border: 1px solid #babdb6;
    padding: 2px;
    background-color: #eeeeec;
    border-radius: 6px;
    font-size: 12pt;
    line-height: 1.1em;
    width: 260px;
    z-index: 500;
}

Add a z-index to the overlay
Add a z-index to the overlay
