<style type="text/css">

/* Default style for larger screens (Tablets/Desktops) */
.book-image {
    display: block;
    margin: 0 auto; /* Centers the image */
    width: 400px; /* Or whatever your preferred desktop size is */
    width: 90%;
    height: auto;
}

/* Mobile-specific style */
@media screen and (max-width: 480px) {
    .book-image {
        width: 100px !important; /* This makes the image smaller on mobile */
    }
}
