.cartogram .feature {
    stroke: black;
    stroke-width: 0.5;
    transition: fill-opacity .7s;
    cursor: default;
}

.cartogram .feature:hover {
    fill-opacity: 0.6;
    transition: fill-opacity .1s;
}
.label{
  color:red;
}

.cartogram-tooltip {
    display: none;
    position: absolute;
    max-width: 320px;
    margin-top: 20px;
    margin-left: 8px;
    padding: 5px;
    border-radius: 3px;
    font: 11px sans-serif;
    color: #eee;
    background: rgba(0, 0, 0, 0.65);
    pointer-events: none;
}