body {
    font-family: Arial, sans-serif;
    text-align: center;
}

.preview-container {
    margin: 20px;
}

.preview {
    max-width: 90vw;
    border: 1px solid #ddd;
    border-radius: 10px;
    padding: 10px;
}

.result {
    font-size: 18px;
    font-weight: bold;
    color: #333;
}

.copy-btn {
    background-color: #4CAF50;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.copy-btn:hover {
    background-color: #3e8e41;
}