.graph_wrapper {
    height: 500px;
    min-width: 310px;
    max-width: 800px;
    margin: 0 auto;
}
.maps_loading {
    margin-top: 10em;
    text-align: center;
    color: gray;
}

data labels
   .highcharts-data-label-box {
       fill: #a4edba;
       stroke: gray;
       stroke-width: 1px;
   }

.highcharts-data-label {
    font-weight: normal;
}

.highlight .highcharts-data-label-box {
    fill: red;
    stroke-width: 2px;
    stroke: black;
}

.highlight.highcharts-data-label text {
    font-weight: bold;
    fill: white;
}