styles.css

body {
    background-color: #f0f0f0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.book-cover {
    background-color: #f6f2e6;
    width: 500px;
    height: 650px;
    border-radius: 5px;
    background: linear-gradient(to right, rgb(60, 13, 20) 3px, rgba(255, 255, 255, 0.5) 5px, rgba(255, 255, 255, 0.25) 7px, rgba(255, 255, 255, 0.25) 10px, transparent 12px, transparent 16px, rgba(255, 255, 255, 0.25) 17px, transparent 22px);
    box-shadow: 0 0 10px -1px black, inset -1px 1px 2px rgba(255, 255, 255, 0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
}

.book-title {
    font-size: 56px;
    font-weight: bold;
    text-align: left;
    color: #12442a;
}

.author {
    font-size: 30px;
    margin-top: 10px;
    color: #75b9da;
    text-align: left;
    margin-right: 275px;
    font-weight: bold;
}

.subtitle {
    font-size: 20px;
    font-weight: bold;
    margin-top: 2px;
    margin-right: 70px;
    color: #23825b;
    text-align: left;
}

.cover-image {
    width: 450px;
    height: 490px;
    background-image: url(Asset\ 16@2x.png);
    background-size: contain;
    background-position: bottom;
    z-index: 1;
    position: fixed;
    margin-top: 150px;
}

.description {
    font-size: 14px;
    text-align: center;
    margin-top: 20px;
}

body {
    background-color: #f0f0f0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.image-container {
    width: 28px;
    height: 28px;
    overflow: hidden;
    z-index: 2;
    position: fixed;
    margin-top: 55px;
    margin-left: 105px;
}

#changing-image {
    width: 100%;
    height: 100%;
    animation: changeImage 10s infinite;
    /* 5 seconds per image, infinite loop */
}

@keyframes changeImage {
    0% {
        opacity: 1;
    }

    12.5% {
        opacity: 1;
    }

    25% {

        opacity: 1;
    }

    37.5% {
        opacity: 1;
    }

    50% {
        opacity: 1;
    }

    62.5% {
        opacity: 1;
    }

    75% {
        opacity: 1;
    }

    87.5% {

        opacity: 1;
    }

    100% {

        opacity: 1;
    }
}

.switch {
    width: 90px;
    height: 117px;
    overflow: hidden;
    position: fixed;
    margin-top: 350px;
    margin-left: 25px;
    z-index: 3;
}

#image {
    width: 100%;
    height: 100%;
    transition: transform 0.3s;
}

.image-flip {
    display: flex;
    position: fixed;
    margin-bottom: 290px;
    margin-right: 100px;
    z-index: 4;
}

.fall-over-card {
    width: 31px;
    height: 44px;
    perspective: 1000px;
    position: relative;
}

.fall-over-inner {
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.5s ease-in-out;
    transform-origin: center bottom;
}

.fall-over-card:hover .fall-over-inner {
    transform: rotateX(180deg);
}

.fall-over-front,
.fall-over-back {
    width: 100%;
    height: 100%;
    position: absolute;
    backface-visibility: hidden;
}

.fall-over-front img,
.fall-over-back img {
    width: 100%;
    height: 100%;
}

.fall-over-back {
    transform: rotateX(180deg);
}



body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
}

.book {
    width: 200px;
    height: 300px;
    perspective: 1000px;
}

.cover {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.5s;
}


.front,
.back {
    width: 100%;
    height: 100%;
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}

.front {
    transform: rotateY(0deg);
    backface-visibility: hidden;
}

.back {
    transform: rotateY(180deg);
}

img {
    max-width: 100%;
    max-height: 100%;
}

p {
    margin: 5px;
}

.book:hover .cover {
    transform: rotateY(-20deg);
}