.title-tooltip-popup {
    position: absolute;
    z-index: 10000;
    display: none;
    max-width: 500px;
    padding: 0.35rem 0.55rem;
    border-radius: 0.25rem;
    background: #2f3437;
    color: #fff;
    font-size: 0.8125rem;
    line-height: 1.35;
    box-shadow: 0 0.25rem 0.75rem rgba(0, 0, 0, 0.18);
    pointer-events: none;
    white-space: normal;
}

.title-tooltip-popup-visible {
    display: block;
}