.lesson-meta {
  margin: 1rem 0 1.5rem;
  padding: 1rem 1.1rem;
  border-left: 0.25rem solid var(--md-primary-fg-color);
  background: color-mix(in srgb, var(--md-primary-fg-color) 8%, transparent);
}

.source-note {
  margin: 1rem 0;
  padding: 0.9rem 1rem;
  border-left: 0.2rem solid var(--md-accent-fg-color);
  background: color-mix(in srgb, var(--md-accent-fg-color) 9%, transparent);
}

.checklist li {
  margin-bottom: 0.25rem;
}