.not-found {
  height: 83vh;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.not-found .number {
  font-size: 200px;
}

@media screen and (max-width: 600px) {
  .not-found .number {
    font-size: 150px;
  }
}

@media screen and (max-width: 400px) {
  .not-found .number {
    font-size: 100px;
  }
}