html,
body {
  height: 100%;
  margin: 0;
}

body {
  background: #fff;
}

main {
  align-items: center;
  display: flex;
  min-height: 100%;
  justify-content: center;
}

img {
  display: block;
  height: auto;
  max-width: min(42vw, 220px);
  width: 160px;
}