.mermaidTooltip:empty {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 0 !important;
    height: 0 !important;
    min-width: 0 !important;
    min-height: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    overflow: hidden !important;
    pointer-events: none !important;
}