#chartdiv {
  width: 100%;
  max-width: 100%;
  height: 1000px;
  min-height: 300px;
  display: block;
}

@media (min-width: 1024px) {
  #chartdiv {
    height: 800px;
  }
}

@media print {
  #chartdiv {
    height: 1800px !important;
    min-height: 1800px !important;
  }
}