* {
    font-family: sans-serif;
}

svg {
    display: block;
    margin: 0 auto;
    overflow: visible;
}

svg .cell:hover {
    outline: 1px solid #000;
}

.info {
    text-align: center;
}

.chart {
    position: relative;
}

#legend {
    margin-top: 3em;
}

#tooltip {
    position: absolute;
    width: 140px;
    height: 100px;
    background-color: #000000ba;
    pointer-events: none;
    opacity: 0;
    color: #fff;
    display: flex;
    text-align: center;
    align-items: center;
    justify-content: center;
    line-height: 1.7em;
    border-radius: 12px;
}

#tooltip.show {
    opacity: 1;
}