* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

header {
  text-align: center;
  padding: 40px 0;
  background-color: #f4f4f4;
  margin-bottom: 30px;
  border-radius: 8px;
}

h1 {
  color: #2c3e50;
  margin-bottom: 10px;
}

section {
  margin-bottom: 30px;
  padding: 20px;
  background-color: #fff;
  border-left: 4px solid #3498db;
}

h2 {
  color: #2c3e50;
  margin-bottom: 15px;
}

ul {
  list-style-position: inside;
  padding-left: 20px;
}

li {
  margin-bottom: 8px;
}

footer {
  text-align: center;
  padding: 20px;
  color: #7f8c8d;
  border-top: 1px solid #ecf0f1;
  margin-top: 40px;
}