.tooltip h4 {
    margin: 0;
    margin-bottom: .25rem;
}

.tooltip ul {
    padding: 0;
    margin: 0;
}

.tooltip ul li {
    list-style: none;
    padding: 0;
    margin: 0;
}

.highcharts-point {
    stroke: none;
}

.highcharts-text-outline {
    stroke-width: 0;
    fill: white;
    color: white;
    visibility: visible;
    text-shadow: 0 0 10px #00000040;
    font-weight: normal;
}

.highcharts-label text {
    visibility: hidden;
}