body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

header {
  background: rgba(255, 0, 0, 0.7);
  color: #fff;
  padding: 20px;
  text-align: center;
}

nav {
  position: absolute;
  right: 10px;
  top: 20px;
}

nav a {
  color: #fff;
  text-decoration: none;
  margin-left: 20px;
  font-size: 16px;
}

nav a:hover {
  color: #ff6347;
}

main {
  padding: 20px;
  color: #000;
}

footer {
  background: rgba(255, 0, 0, 0.7);
  text-align: center;
  padding: 10px;
  margin-top: 20px;
  color: #fff;
}