:root {
  color-scheme: dark;
}

body {
  margin: 0;
  padding: 40px 20px;
  background: #0f0f0f;
  color: #f1f1f1;
  font: 16px/1.6 "Segoe UI", Arial, sans-serif;
}

main {
  max-width: 760px;
  margin: 0 auto;
}

h1 {
  margin-top: 0;
  font-size: 30px;
}

h2 {
  margin-top: 30px;
  font-size: 19px;
}

p,
li {
  color: #d7d7d7;
}

a {
  color: #3ea6ff;
}

code {
  color: #f1f1f1;
}

.muted {
  color: #aaa;
  font-size: 14px;
}