/* Global Styles */
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}

header, nav, section, footer {
  padding: 20px;
}

/* Header Styles */
header {
  background-color: #333;
  color: #fff;
  text-align: center;
}

/* Navigation Styles */
nav ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
}

nav ul li {
  display: inline;
  margin-right: 10px;
}

nav ul li a {
  text-decoration: none;
  color: #333;
}

/* Section Styles */
section {
  margin: 20px 0;
}

/* Footer Styles */
footer {
  background-color: #333;
  color: #fff;
  text-align: center;
}