.mermaidTooltip {
    position: absolute;
    text-align: center;
    max-width: 200px;
    padding: 2px;
    font-family: 'trebuchet ms', verdana, arial;
    font-size: 12px;
    background: #ffffde;
    border: 1px solid #aaaa33;
    border-radius: 2px;
    pointer-events: none;
    z-index: 100;
}