.pdf-viewer-container {
    text-align: center;
    margin: 20px auto;
}

canvas {
    border: 1px solid #ddd;
    max-width: 100%;
}

.pdf-controls {
    margin-top: 10px;
}

.pdf-controls button {
    margin: 5px;
    padding: 10px;
    background: #0073aa;
    color: white;
    border: none;
    cursor: pointer;
}

.pdf-controls button:hover {
    background: #005f87;
}