body {
    margin: 0;
    background-color: #f0f0f0;
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
  }
  .counter {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    text-align: center;
  }
  .counter h1 {
    margin-bottom: 20px;
    font-size: 24px;
    color: #333;
  }
  .time {
    font-size: 32px;
    color: #222;
  }