body {
    padding: 0;
    font-family: Sans-Serif;
    font-size: 80%;
    background-color: #001;
}

.d3-tooltip {
    color: lightgrey;
    background: rgba(0, 0, 100, .7);
    padding: 5px;
    border-radius: 3px;
    font: 11.5px sans-serif;
    text-align: center;
}

.fade-enter, .fade-leave.fade-leave-active {
    opacity: 0.01;
}

.fade-leave, .fade-enter.fade-enter-active {
    opacity: 1;
}

.fade-enter, .fade-leave {
    transition: opacity .35s ease-in;
}