:root { color-scheme: light; background: #82B47A; }
* { box-sizing: border-box; }
body { margin: 0; }
main { min-height: 100vh; min-height: 100svh; position: relative; }
h1 { position: absolute; top: 40vh; top: 40svh; left: 50%; transform: translate(-50%, -50%); margin: 0; width: 38%; line-height: 0; }
img { display: block; width: 100%; height: auto; }