h1 {
      color: #2c3e50;
    }

    label, input, button, p {
      font-size: 1.1rem;
      margin: 10px 0;
    }

    input[type="number"] {
      padding: 5px 10px;
      width: 80px;
      font-size: 1rem;
      border: 1px solid #ccc;
      border-radius: 5px;
    }

    button {
      padding: 10px 20px;
      font-size: 1rem;
      background-color: #3498db;
      color: white;
      border: none;
      border-radius: 5px;
      cursor: pointer;
      transition: background-color 0.3s;
    }

    button:hover {
      background-color: #2980b9;
    }

    #resultado {
      font-family: monospace;
      font-size: 1.3rem;
      background-color: #ecf0f1;
      padding: 10px 15px;
      border-radius: 5px;
      margin-top: 10px;
      display: inline-block;
      word-break: break-all;
    }

    .container {
      background-color: white;
      border-radius: 10px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
      text-align: center;
      max-width: 400px;
      margin: auto;
    }