* { box-sizing: border-box; }
html { color-scheme: dark; background: #000; }
body {
  max-width: 42rem;
  margin: 0 auto;
  padding: 1rem;
  background: #000;
  color: #fff;
  font-family: sans-serif;
  font-size: 16px;
  line-height: 1.5;
  text-align: center;
  overflow-wrap: anywhere;
}
h1 { font-size: 1.5rem; }
a { color: #fff; }
a:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }
nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; }
.skip-link { position: absolute; top: -10rem; }
.skip-link:focus { position: static; }
