.flipbook-wrapper {
    margin: 30px auto;
    max-width: 100%;
    overflow: hidden;
    border: 1px solid #ccc;
    box-shadow: 0 0 15px rgba(0,0,0,0.2);
}

.flipbook-inner {
    width: 100%;
    height: auto;
}

.flipbook-page {
    background: white;
}