:root {
  --color-text: #1a1a1a;
  --color-background: #fff;
  --color-footer-text: #b30000;
  --font-family: system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-background);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background-color: var(--color-background);
  color: var(--color-text);
  padding: 0.5em 1em;
}

.skip-link:focus-visible {
  left: 0;
}

main {
  max-width: 40rem;
  margin: 4rem auto;
  padding: 0 1rem;
  text-align: center;
}

footer {
  text-align: center;
  padding: 1rem;
  font-size: 0.875rem;
  color: var(--color-footer-text);
}