:root {
    --background: #f5f5f5;
    --accent: #3f51b5;
    --smalltext: #888;
    --medtext: #555;
    --boarderline: #ddd;
}
body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, var(--accent), var(--background));
    color: white;
    text-align: center;
  }
  .container {
    background: rgba(255,255,255,0.1);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
  }
  h1 {
    margin-bottom: 20px;
    font-size: 2rem;
  }
  p {
    margin-bottom: 30px;
    font-size: 1rem;
  }
  .open-btn {
    background: #ffca28;
    color: #333;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: bold;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s ease;
  }
  .open-btn:hover {
    background: #ffb300;
  }