@layer blocks {
  .checkbox {
    appearance: none;
    -webkit-appearance: none;
    background: transparent;
    padding: 0;
    border: 1.5px solid var(--paper-dim);
    border-radius: var(--radius-s);
    transition:
      border-color 0.15s,
      background 0.15s;
  }

  .checkbox:hover {
    border-color: var(--color-focus-border);
  }

  .checkbox:checked {
    background: var(--color-accent);
    border-color: var(--color-accent);
  }

  .checkbox:checked::after {
    content: "\2713";
    color: var(--paper);
    font-size: var(--font-2xs);
    font-weight: var(--weight-bold);
    line-height: var(--leading-none);
  }
}