.popper-tooltip {
    display: none;
}

.popper-tooltip[data-show] {
    display: block;
    background: #333;
    color: white;
    font-weight: bold;
    padding: 4px 8px;
    font-size: 13px;
    border-radius: 4px;
}

[data-title] {
    border-bottom: 1px dotted;
}