* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: sans-serif;
}

.container-main {
  text-align: center;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.container-main .instructions {
  text-align: left;
  padding: 20px;
}

.container-main h1 {
  margin-top: 20px;
  margin-bottom: 20px;
}

.highcharts-figure,
.highcharts-data-table table {
  min-width: 310px;
  max-width: 800px;
  margin: 1em auto;
}

.container {
  height: 400px;
  width: 800px;
}

.highcharts-data-table table {
  font-family: Verdana, sans-serif;
  border-collapse: collapse;
  border: 1px solid #ebebeb;
  margin: 10px auto;
  text-align: center;
  width: 100%;
  max-width: 500px;
}

.highcharts-data-table caption {
  padding: 1em 0;
  font-size: 1.2em;
  color: #555;
}

.highcharts-data-table th {
  font-weight: 600;
  padding: 0.5em;
}

.highcharts-data-table td,
.highcharts-data-table th,
.highcharts-data-table caption {
  padding: 0.5em;
}

.highcharts-data-table thead tr,
.highcharts-data-table tr:nth-child(even) {
  background: #f8f8f8;
}

.highcharts-data-table tr:hover {
  background: #f1f7ff;
}

input[type="button"],
input[type="submit"],
input[type="reset"],
.load-test-data {
  background-color: #0c6bc4;
  border: none;
  color: white;
  padding: 16px 32px;
  text-decoration: none;
  margin: 4px 2px;
  cursor: pointer;
  border-radius: 10px;
  width: 10rem;
}