.form--back-in-stock {
  display: none;
  width: 100%;
  background-color: light grey;
}

.input--back-in-stock {
  width: 100%;
  font-size: 1.5rem;
  letter-spacing: .1rem;
  line-height: calc(1 + .2 / var(--font-body-scale));
  padding: 15px;
  margin-top: 5px;
}

.form--back-in-stock .button {
  width: 100% !important;
  max-width: 100% !important;
}

#subscription-success-message {
  display: none;
  color: green;
}