.bruttoavance-container {
            max-width: 400px;
            margin: 50px auto;
            padding: 20px;
            border: 1px solid #ccc;
            border-radius: 8px;
            background-color: #f9f9f9;
            text-align: center;
        }
        .bruttoavance-input {
            width: 80%;
            padding: 10px;
            margin: 10px 0;
            border: 1px solid #ccc;
            border-radius: 5px;
        }
        .bruttoavance-button {
            padding: 10px 20px;
            background-color: #007bff;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
        }
        .bruttoavance-button:hover {
            background-color: #0056b3;
        }
        .bruttoavance-result {
            margin-top: 15px;
            font-size: 1.2em;
            font-weight: bold;
        }