card.css

.book {
    position: relative;
    background-color: rgba(248, 242, 242, 0.726);
    margin: 1.5rem;
    width: 275px;
    height: 350px;
    padding-top: .5rem;
    overflow: hidden;
    border-radius: 5px;
    box-shadow: 2px 2px 5px rgb(180, 176, 176),
                -2px -2px 5px rgb(180, 176, 176),
                2px 0px 5px rgb(180, 176, 176),
                -2px 0px 5px rgb(180, 176, 176);
    transition: 500ms;
}

.book:hover {
    box-shadow: 2px 2px 15px rgb(100, 98, 98),
                -2px -2px 15px rgb(100, 98, 98),
                2px 0px 15px rgb(100, 98, 98),
                -2px 0px 15px rgb(100, 98, 98);
}

img {
    height: 200px;
    max-width: 265px;
    box-shadow: 2px 2px 5px rgb(180, 176, 176),
                -2px -2px 5px rgb(180, 176, 176),
                2px 0px 5px rgb(180, 176, 176),
                -2px 0px 5px rgb(180, 176, 176);
}

.fav {
    background-color: rgb(112, 17, 17);
    color: white;
    cursor: pointer;
    margin-bottom: .25rem;
    margin-top: .5rem;
    padding: .25rem 0;
    font-size: .75rem;
    letter-spacing: .2rem;
    transition: 500ms;
}

.fav:hover, .onShelf {
    background-color: rgba(112, 17, 17, 0.281);
    color: black;
    font-weight: bold;
}

.title {
    text-align: center;
    font-family: 'BenchNine';
    font-size: 1.25rem;
    padding: .25rem .25rem;
}


.author {
    text-align: center;
    font-size: .75rem;
    padding: .25rem .5rem;
}

.publisher {
    font-style: italic;
    font-size: .5rem;
    position: absolute;
    bottom: 0;
    padding: .25rem .5rem;
}

@media only screen and (max-width: 600px){
    .book {
        min-width: 250px;
        height: 300px;
        margin: .75rem;
    }

    img {
        height: 150px;
        max-width: 240px;
    }

    .title {
        font-size: 1rem;
    }

    .author {
        font-size: .5rem;
    }

}