body {
    background: black;
    color: lime;
    font-family: monospace;
    padding: 1rem;
  }
  #terminal {
    white-space: pre-wrap;
    margin-bottom: 1rem;
  }
  #input-form {
    display: flex;
  }
  #user-input {
    flex: 1;
    font-size: 1rem;
    padding: 0.5rem;
    background: #111;
    border: 1px solid lime;
    color: lime;
  }