.chart-outer {
    max-width: 800px;
    margin: 2em auto;
}

#container {
    height: 300px;
    margin-top: 2em;
}

.highcharts-data-table table {
    border-collapse: collapse;
    border-spacing: 0;
    background: white;
}

.highcharts-data-table td,
.highcharts-data-table th {
    font-family: sans-serif;
    font-size: 10pt;
    border: 1px solid silver;
    padding: 0.5em;
}

.highcharts-data-table th {
    cursor: pointer;
}

.highcharts-sort-ascending::after {
    content: " ↓";
}

.highcharts-sort-descending::after {
    content: " ↑";
}
