.ibf-book-wrapper {
    width: 600px;
    margin: 50px auto;
}

#ibf-book {
    width: 100%;
    height: 400px;
}

.page {
    overflow: hidden;
}

.page img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cover img, .back img {
    cursor: pointer;
}