body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: #ffffff;
  color: #000000;
  line-height: 1.6;
  margin: 0;
  padding: 40px 20px;
}

.content-wrapper {
  max-width: 600px;
  margin: 0 auto;
}

header {
  margin-bottom: 40px;
  border-bottom: 1px solid #000000;
  padding-bottom: 20px;
}

h1 {
  font-size: 24px;
  margin: 0 0 5px 0;
}

.subtitle {
  font-size: 16px;
  margin: 0;
  color: #555555;
}

h2 {
  font-size: 18px;
  margin: 30px 0 10px 0;
}

p {
  font-size: 14px;
  margin: 0 0 15px 0;
}

footer {
  margin-top: 60px;
  border-top: 1px solid #000000;
  padding-top: 20px;
  font-size: 12px;
  color: #555555;
}