.cart-discount {
  display: block;
  margin-bottom: 2rem;
}
.cart-discount__form {
  display: flex;
  justify-content: space-between;
  padding-bottom: 1rem;
}
.cart-discount__input {
  width: 75%;
}
.cart-discount__submit {
  border: 1px solid #000;
  background: gray;
  color: #000;
  cursor: pointer;
  white-space: nowrap;
}