body {
  font-family: Arial, sans-serif;
  max-width: 800px;
  margin: 0 auto;
  padding: 0;
  background-color: #ffffff;
  color: #1a1a1a;
}

header {
  background-color: #1b263b;
  color: #ffffff;
  padding: 30px 20px;
  text-align: center;
}

section {
  padding: 20px 0;
  margin-bottom: 10px;
}

h2 {
  padding: 1px 0;
  margin-bottom: 20px;
  color: #1b263b;
  border-bottom: 2px solid #1b263b;
}

h3 {
  color: #415a77;
  margin-top: 20px;
  margin-bottom: 10px;
}

article {
  margin-bottom: 25px;
}

ul {
  line-height: 1.6;
  margin-left: 5px;
}