.body {
  display: flex;
  align-items: center;
  background-color: black;
  width: 100vw;
  height: 100vh;
  color: white;
  flex-direction: column;
  justify-content: center;
}
body {
  margin: 0;
  padding: 0;
  background-color: black;
}
.keypad {
  display: grid;
  gap: 10px;
  align-items: center;
  grid-template-rows: repeat(3, 1fr);
  grid-template-columns: repeat(3, 1fr);
}