#_404 {
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

h1 {
  font-size: 17px;
}

span {
  font-size: clamp(1.125rem, 0.8103rem + 1.4388vw, 1.5rem);
}