body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f2f2f2;
}

header, footer {
  background-color: #1b1b1b;
  color: white;
  text-align: center;
  padding: 10px;
}

nav {
  margin-top: 10px;
}

nav a {
  margin: 0 10px;
  color: lightblue;
  text-decoration: none;
}

main {
  padding: 20px;
  background-color: #fff;
  margin: 20px;
  border-radius: 8px;
}

form {
  max-width: 300px;
  margin: auto;
}

form label {
  display: block;
  margin: 10px 0 5px;
}