:root {
  /* One compact phone layout for the app, dialogs, and standalone legal pages. */
  --site-card-width: 340px;
  --site-page-gutter: 16px;
  --site-card-max-width: min(var(--site-card-width), calc(100vw - 2 * var(--site-page-gutter)));
  --site-frame-width: calc(var(--site-card-width) + 2 * var(--site-page-gutter));
}