* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-width: 320px;
  height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
  background: #4790b9;
}

.stage {
  display: grid;
  width: 100%;
  height: 100%;
  place-items: center;
}

.center-image {
  display: block;
  width: min(408px, 86vw);
  height: auto;
  max-height: 88vh;
  object-fit: contain;
  user-select: none;
}