html, body { height: 100%; margin: 0; }
body {
  background: black;
  text-align: center;
}

section {
  padding: calc(50svh - 15svh) 0;
}
img {
  height: 30svh;
  opacity: 0;
}
img:first-child { margin-bottom: 30svh; }
img:last-child { margin-top: 30svh; }
h2 {
  display:block;
  color: white;
  font-family: sans-serif;
  font-size: 24svh;
  margin: 8svw 0;
}