@import url("https://code.highcharts.com/css/highcharts.css");

#container {
    min-width: 310px;
    height: 400px;
    max-width: 600px;
    margin: 0 auto;
}

.highcharts-polygon-series .highcharts-graph,
.highcharts-polygon-series .highcharts-point {
    fill-opacity: 0.3;
    stroke-width: 1px;
}
