body {
  font-family: Arial;
  margin: 0;
}

/* Header */
header {
  background: #1f3c88;
  color: white;
  text-align: center;
  padding: 20px;
}

/* Navigation */
nav {
  background: #333;
  text-align: center;
  padding: 10px;
}

nav a {
  color: white;
  margin: 10px;
  text-decoration: none;
}

/* Hero */
.hero {
  background: #f4f4f4;
  text-align: center;
  padding: 40px;
}

/* Sections */
section {
  padding: 20px;
}

/* Footer */
footer {
  background: #1f3c88;
  color: white;
  text-align: center;
  padding: 10px;
}

.product {
  background: #f4f4f4;
  padding: 20px;
  margin: 10px;
  width: 250px;
  border-radius: 5px;
  box-shadow: 1px 1px 5px #ccc;
}