body {
  font-family: Arial, sans-serif;
  color: #333;
  margin: 0;
  padding: 0;
  background-color: #f4f7f9;
}
header {
  background: #004d66;
  color: white;
  padding: 2em;
  text-align: center;
}
section {
  padding: 1.5em;
  border-bottom: 1px solid #ccc;
  background-color: white;
  margin: 1em auto;
  width: 90%;
  max-width: 960px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  border-radius: 8px;
}
h2 {
  margin-top: 0;
  color: #004d66;
}
footer {
  background: #004d66;
  color: white;
  text-align: center;
  padding: 1em;
  font-size: 0.9em;
}
a {
  color: #0077cc;
  text-decoration: none;
}
ul {
  list-style: disc inside;
}