body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
  }
  
  #app {
    text-align: center;
    padding: 20px;
  }
  
  #data-container {
    margin-top: 20px;
  }
  
  .data-item {
    background-color: #fff;
    padding: 10px;
    margin: 5px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  }