* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;

  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;

  background: #f7f7f7;
  color: #222;
}

main {
  width: min(90%, 560px);
  padding: 48px 24px;
}

header {
  margin-bottom: 40px;
}

h1 {
  margin: 0;
  font-size: 2.5rem;
  font-weight: 600;
}

header p {
  margin: 8px 0 0;
  color: #777;
}

nav {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

nav a {
  width: fit-content;
  color: inherit;
  text-decoration: none;
}

nav a:hover {
  text-decoration: underline;
}

footer {
  margin-top: 48px;
  color: #999;
}