.book1 {
    position: relative;
    margin-top: 80px;
    margin-left: 115px;
    width: 300px;
    height: 450px;
    background: url(../uno.png);
    transform: rotate(-37.5deg) skewX(10deg);
    box-shadow: -35px 35px 50px rgba(0, 0, 0, 1);
    transition: 0.5s;
}

.book1:hover {
    transform: rotate(-37.5deg) skewX(10deg) translate(20px, -20px);
    box-shadow: -50px 50px 100px rgba(0, 0, 0, 1);
}

.book1::before {
    content: '';
    width: 40px;
    height: 100%;
    background: url(../uno1.png);
    position: absolute;
    top: 0;
    left: 0;
    transform: skewY(-45deg) translate(-40px, -20px);
    box-shadow: inset -10px 0 20px rgba(0, 0, 0, 0.2);
}

.book1::after {
    content: '';
    width: 100%;
    height: 40px;
    background: #fff;
    position: absolute;
    bottom: 0;
    left: 0;
    transform: skewX(-45deg) translate(20px, 40px);
}