body {
  font-family: "Helvetica Neue", Arial, sans-serif;
  line-height: 1.4;
  max-width: 720px;
  margin: 0 auto;
  padding: 8px 16px 24px;
  color: #333;
  background-color: #fafafa;
}

a {
  color: #1485F6;
}

h1 {
  font-size: 1.6em;
  color: #2c3e50;
  border-bottom: 1px solid #eee;
  padding-bottom: 10px;
  margin-bottom: 16px;
}

h2 {
  font-size: 1.2em;
  color: #2c3e50;
  margin-top: 16px;
  margin-bottom: 8px;
}

p,
li {
  font-size: 0.95em;
  margin: 4px 0;
}

ul {
  margin: 8px 0;
}

footer {
  margin-top: 30px;
  font-size: 0.85em;
  color: #777;
  text-align: center;
}

@media (prefers-color-scheme: dark) {
  body {
    color: #ddd;
    background-color: #1a1a1a;
  }

  a {
    color: #64b5f6;
  }

  h1 {
    color: #e0e0e0;
    border-bottom-color: #333;
  }

  h2 {
    color: #e0e0e0;
  }

  footer {
    color: #999;
  }
}