:root {
  color-scheme: light dark;
  font-family: system-ui, sans-serif;
  background: #f5f6f8;
  color: #20242a;
}

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

main {
  width: min(34rem, calc(100% - 3rem));
  border-top: 3px solid #4b5563;
  padding: 1.5rem 0;
}

h1 {
  margin: 0 0 0.6rem;
  font-size: 1.45rem;
  font-weight: 600;
}

p {
  margin: 0;
  color: #667085;
  line-height: 1.55;
}

@media (prefers-color-scheme: dark) {
  :root {
    background: #16181c;
    color: #eef0f3;
  }

  p {
    color: #a6acb5;
  }
}