.not-found {
  display: grid;
  place-content: center;
  place-items: center;
  height: 100vh;
}

.not-found__h1 {
  font-size: 6.5em;
}

.not-found__h2 {
  margin-bottom: 2.2rem;
}

.not-found__p {
  font-size: 1.3em;
  margin-bottom: 4rem;
}