#popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    font-family: 'Roboto', sans-serif;
    font-size: 20px;
    box-shadow: 0px 0px 10px rgba(255, 255, 255, 0.5);
  }
  
  #popup-content h1 {
    font-size: 30px;
    margin-bottom: 10px;
  }
  
  #popup-content p {
    margin-top: 0;
  }