* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
  background: #fff;
}

main {
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

img {
  display: block;
  width: min(90vw, 1080px);
  max-width: 100%;
  height: auto;
}

@media (max-width: 600px) {
  main {
    padding: 0.5rem;
  }

  img {
    width: 95vw;
  }
}