:root {
  color-scheme: dark;
  background: #000;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
  background: #000;
}

body {
  display: grid;
  place-items: center;
}

.mark {
  display: grid;
  place-items: center;
  min-height: 100svh;
  padding: 24px;
}

.mark img {
  display: block;
  width: min(34vw, 220px);
  min-width: 132px;
  height: auto;
}