/* The page around the chart: nothing but the chart, edge to edge. Its
   background is set from the app's colours once the page reads them. */
html,
body,
#chart {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

html {
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}