body {
  display: flex;
  flex-direction: column;
  justify-items: center;
  align-items: center;
}

body > a {
  position: fixed;
  top: 1rem;
  right: 1rem;
  line-height: 0;
  z-index: 1;
  padding: 0.4rem;
  border-radius: 0.2rem;
  background-color: var(--bg);
  color: var(--fg);
  box-shadow: var(--button-shadow);
}

body > a > svg {
  width: 2rem;
  height: 2rem;
}

footer {
  position: relative;
  height: 100vh;
  z-index: 2;
}

footer > a {
  position: absolute;
  top: 1rem;
  right: 1rem;
  line-height: 0;
  border-radius: var(--button-radius);
  padding: var(--button-padding);
  color: var(--bg);
}

footer > a > svg {
  width: 2rem;
  height: 2rem;
}