body {
  font-family: Arial, sans-serif;
  text-align: center;
  margin: 0;
  padding: 0;
  background-color: #121212;
  color: white;
}

nav {
  background: #1a1a1a;
  padding: 10px;
  font-size: 20px;
}

.container {
  margin-top: 50px;
}

textarea {
  width: 80%;
  height: 100px;
  padding: 10px;
  font-size: 16px;
}

button {
  padding: 10px 20px;
  font-size: 16px;
  cursor: pointer;
}

.output {
  margin-top: 20px;
}

.login-form {
  margin-top: 100px;
}

input {
  display: block;
  margin: 10px auto;
  padding: 10px;
  font-size: 16px;
}