body {
    font-family: Arial, sans-serif;
    padding: 20px;
  }

  button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
  }

  .box-container {
    display: none;
    margin-top: 20px;
  }

  .box {
    border: 2px solid #ff0000;
    padding: 15px;
    margin-bottom: 10px;
    cursor: pointer;
    font-weight: bold;
    text-align: center;
  }

  .box:hover {
    background-color: #ffecec;
  }