:root {
  color-scheme: light;
  background: #fff;
  color: #111;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

main {
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: clamp(20px, 3vw, 48px);
}

h1 {
  width: 100%;
  max-width: 720px;
  margin: 0;
}

@media (min-width: 768px) {
  h1 {
    width: 62vw;
  }
}

img {
  display: block;
  width: 100%;
  height: auto;
}