/* General page styling */
body {
  font-family: Calibri, sans-serif;
  background-color: #f4f4f4;
  color: #333;
  margin: 0;
  padding: 0;
}

/* Header styles */
header {
  background-color: #222;
  color: white;
  padding: 20px;
  text-align: center;
}

header h1 a {
  text-decoration: none;
  color: inherit;
}

/* Navigation styles */
nav ul {
  list-style: none;
  padding: 0;
  margin: 10px 0 0 0;
}

nav li {
  display: inline;
  margin: 0 10px;
}

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

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

/* Main content */
main {
  padding: 20px;
}

/* Footer styles */
footer {
  background-color: #ddd;
  text-align: center;
  padding: 10px;
  font-size: 0.9em;
}