body {
  background: #0d0d0d;
  color: #00ff99;
  font-family: monospace;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
}
h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
}
.terminal {
  background: #111;
  padding: 2rem;
  border: 1px solid #00ff99;
  border-radius: 5px;
  text-align: center;
}
.btn {
  display: inline-block;
  margin: 0.5rem;
  padding: 0.75rem 1.5rem;
  color: #0d0d0d;
  background-color: #00ff99;
  border: none;
  border-radius: 3px;
  font-weight: bold;
  text-decoration: none;
  transition: 0.2s;
}
.btn:hover {
  background-color: #00cc77;
}
.ghost {
  margin-top: 1.5rem;
  font-size: 1.25rem;
  color: #888;
}