body {
  font-family: Arial, sans-serif;
  padding: 20px;
}

h1 {
  text-align: center;
}

#login-form {
  margin: 20px auto;
  max-width: 200px;
  padding: 20px;
  border: 1px solid #ddd;
  border-radius: 4px;
}

#login-form form {
  display: flex;
  flex-direction: column;
}

#login-form form input, 
#login-form form textarea, 
#login-form form button {
  margin-bottom: 10px;
  padding: 10px;
  font-size: 16px;
}