*,
::before,
::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  font-size: 62.5%;
}
body {
  font-size: 2rem;
}
.cash-register-screen {
  padding: 1rem;
  border: 1px solid black;
}
.product-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid black;
}
.product-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  border: 1px solid black;
}
.quantity-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem;
}