.book {
    position: relative;
    border-radius: 10px;
    width: 220px;
    height: 300px;
    background-color: whitesmoke;
    -webkit-box-shadow: 1px 1px 12px #000000;
    box-shadow: 1px 1px 12px #000000;
    -webkit-transform: preserve-3d;
    -ms-transform: preserve-3d;
    transform: preserve-3d;
    -webkit-perspective: 2000px;
    perspective: 2000px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    color: #000000;
}

body {
    align-items: center;
    justify-content: center;
    display: flex;
    padding-top: 10%;
}

.cover {
    top: 0;
    position: absolute;
    background-color: lightgray;
    width: 100%;
    height: 100%;
    border-radius: 10px;
    cursor: pointer;
    -webkit-transition: all 0.5s;
    transition: all 0.5s;
    -webkit-transform-origin: 0;
    -ms-transform-origin: 0;
    transform-origin: 0;
    -webkit-box-shadow: 1px 1px 12px #000000;
    box-shadow: 1px 1px 12px #000000;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
}

.book:hover .cover {
    -webkit-transition: all 0.5s;
    transition: all 0.5s;
    -webkit-transform: rotatey(-80deg);
    -ms-transform: rotatey(-80deg);
    transform: rotatey(-80deg);
}

p {
    font-size: 20px;
    font-weight: bolder;
}