body {
  background-color: #f2f2f2;
  font-family: Arial, sans-serif;
  text-align: center;
  color: #333;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  max-width: 90%;
}

#tijd {
  font-size: 8vw;
  font-weight: bold;
}

#datum {
  font-size: 5vw;
  margin-top: 10px;
  color: #555;
}