*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background: #808080;
}

body {
  --page-padding: clamp(1rem, 3vw, 2rem);

  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  padding: var(--page-padding);
  display: grid;
  place-items: center;
  background: #808080;
}

main {
  width: 100%;
}

picture {
  width: 100%;
  display: flex;
  justify-content: center;
}

img {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: calc(100vh - var(--page-padding) - var(--page-padding));
  max-height: calc(100svh - var(--page-padding) - var(--page-padding));
}