#overlay {
    position: fixed; /* Sit on top of the page content */
    display: none; /* Hidden by default */
    width: 100%; /* Full width (cover the whole page) */
    height: 100%; /* Full height (cover the whole page) */
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0,0,0,0.5); /* Black background with opacity */
    z-index: 2; /* Specify a stack order in case you're using a different order for other elements */
    cursor: pointer; /* Add a pointer on hover */
}

.highcharts-figure {
    margin: 0 auto;
    max-width: 900px;
    min-width: 360px;
}

#container {
    height: 1200px;
}

#chart-container {
    max-width: 1200px;
    min-width: 720px;
    margin: 0 auto;
}


.highcharts-description {
    margin: 0.3rem 10px;
}