body {
  font-family: Arial, sans-serif;
  background-color: #fafafa;
  color: #333;
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

header {
  background-color: #333;
  color: white;
  padding: 1em 0;
  text-align: center;
}

nav ul {
  list-style: none;
  padding: 0;
}

nav ul li {
  display: inline-block;
  margin: 0 1em;
}

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

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

main {
  padding: 2em;
  max-width: 800px;
  margin: auto;
}

footer {
  text-align: center;
  background-color: #333;
  color: white;
  padding: 1em 0;
  position: relative;
  bottom: 0;
  width: 100%;
}