/* Reset some browser defaults */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background: #f9f9f9;
  color: #333;
  line-height: 1.6;
}

header {
  background: #0055ff;
  color: white;
  padding: 1rem;
  text-align: center;
}

nav a {
  color: white;
  margin: 0 15px;
  text-decoration: none;
  font-weight: bold;
}

nav a:hover {
  text-decoration: underline;
}

.container {
  max-width: 900px;
  margin: 2rem auto;
  padding: 0 1rem;
}

h1, h2 {
  color: #0055ff;
}

footer {
  background: #222;
  color: #aaa;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
}