body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: url("mathieu-stern-1zO4O3Z0UJA-unsplash.jpg") no-repeat center center fixed;
  background-size: cover;
}

nav {
  background: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 10px;
  text-align: center;
}

nav a {
  color: white;
  margin: 0 15px;
  text-decoration: none;
}

.background {
  text-align: center;
  padding: 150px 20px;
  color: white;
}

.auth-buttons a {
  background: #000;
  color: #fff;
  padding: 12px 20px;
  margin: 10px;
  text-decoration: none;
  border-radius: 5px;
}

.form-container {
  background: white;
  padding: 30px;
  margin: 50px auto;
  max-width: 400px;
  border-radius: 10px;
}

input {
  width: 100%;
  padding: 10px;
  margin: 10px 0;
}

button {
  padding: 10px;
  width: 100%;
  background: black;
  color: white;
  border: none;
}