:root {
  --body-bg-image: url("tiles/aniwhtspin.gif");
  --background-size: 120px 80px;
}

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

html {
  background-image: var(--body-bg-image);
  background-repeat: repeat;
  background-size: var(--background-size);
  background-position: top left;
  background-color: transparent;
}

.card {
  max-width: 42ch;
  margin: 10vh auto;
  padding: 1rem 1.25rem;
  border-radius: 12px;
  text-align: center;
}