:root {
  color: #111;
  background: #f5f5f5;
  font-family: Arial, Helvetica, sans-serif;
}

* { box-sizing: border-box; }

html { background: #f5f5f5; }

body {
  max-width: 900px;
  margin: 0 auto;
  background: #fff;
}

header {
  padding: 56px 24px 48px;
  color: #111;
  background: #fff;
  font-size: clamp(4.5rem, 18vw, 9rem);
  font-weight: 800;
  letter-spacing: -.08em;
  line-height: .8;
}

main { padding: 0 24px 48px; }

main img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 0 24px;
}

main img:last-child { margin-bottom: 0; }

@media (max-width: 600px) {
  header { padding: 42px 16px 36px; }
  main { padding: 0 16px 32px; }
  main img { margin-bottom: 16px; }
}