:root {
  /*
   * Not great that these are in px, but not sure what else to do.
   */
  --app-bar-height: 48px;
  --input-row-height: 2rem;
  --interface-padding: 16px;
  --nav-width: 21rem;

  /* coloUrs */
  --colour-background: rgba(0, 0, 0, 0.25);
  --colour-background-alt: rgba(0, 0, 0, 0.35);
  --colour-border: rgba(0, 0, 0, 0.45);
  --colour-text: rgb(240, 240, 240);
  --colour-okay: #2a9d8f;
  --colour-warn: #e9c46a;
  --colour-error: #e76f51;
}