* {
    box-sizing: border-box;
  }
  
  body {
    margin: 0;
    background: #000;
    color: #fff;
    font-family: system-ui, sans-serif;
    text-align: center;
  }
  
  h1 {
    margin-top: 40px;
    font-size: 36px;
  }
  
  .buttons {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin: 50px 30px;
  }
  
  button {
    font-size: 32px;
    padding: 30px;
    border-radius: 20px;
    border: none;
    background: #2ecc71;
    color: #000;
    font-weight: bold;
  }
  
  button:active {
    transform: scale(0.97);
  }