for (const stack of stacks.Stacks) {
    if (stack.Value < 0) {
      diff = true;
      break;
    }
  }

  // Setup to allow measuring text width.
  const textSizer = document.createElement('canvas');
  textSizer.id = 'textsizer';
  const textContext = textSizer.getContext('2d');

  // Get DOM elements.
  const chart = find('stack-chart');
  const search = find('search');
  const actions = find('action-menu');

/* Lato (bold, regular) */
@font-face {
    font-display: swap;
    font-family: Lato;
    font-weight: 500;
    font-style: normal;