@charset "utf-8";
  body {
      font-family: Arial, sans-serif;
      margin: 0;
      padding: 0;
    }

    /* Fundo escuro */
    .modal {
      display: none;
      position: fixed;
      z-index: 100;
      left: 0;
      top: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.5);
    }

    /* Conteúdo do modal */
    .modal-conteudo {
      background-color: #fff;
      margin: 20% auto;
      padding: 20px;
      border-radius: 10px;
      width: 90%;
      max-width: 400px;
      text-align: center;
      box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    }

    .modal-conteudo button {
      margin-top: 15px;
      padding: 10px 20px;
      background-color: #2196F3;
      color: white;
      border: none;
      border-radius: 5px;
      font-size: 16px;
    }/* CSS Document */