.letter__input {
  background-color: var(--color-neutral-black-50);
  border-color: var(--color-brand-primary);
  color: var(--color-neutral-white);
  display: block;
  height: 5rem;
  width: 100%;
  font-size: 2.4rem;
  box-sizing: border-box;
  margin-bottom: 2rem;
  padding: 1rem;
  border-style: solid;
}