body {
    font-family: Arial, sans-serif;
    background-color: #f1f1f1;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
  }
  
  .container {
    text-align: center;
  }
  
  h1 {
    font-size: 40px;
    margin-bottom: 10px;
  }
  
  p {
    font-size: 18px;
    color: #777;
    margin-bottom: 30px;
  }
  
  .countdown {
    font-size: 20px;
  }
  
  #days, #hours, #minutes, #seconds {
    padding: 5px;
    background-color: #333;
    color: #fff;
    margin: 0 5px;
  }