:root {
  color-scheme: dark;
  background: #a5121d;
}

* {
  box-sizing: border-box;
}

html,
body,
main {
  width: 100%;
  min-width: 0;
  min-height: 100%;
  margin: 0;
}

body {
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
  background: #a5121d;
}

main {
  display: grid;
  height: 100vh;
  height: 100svh;
  place-items: center;
}

h1 {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  user-select: none;
  -webkit-user-drag: none;
}