.bookdesc{
    margin: 20px;
}
.bookdesc p{
    padding: 20px 300px;
    font-size: 24px;
    font-weight: 300;
}

@media only screen and (max-width: 1140px){

    .bookdesc{
        margin: 20px;
    }
    .bookdesc p{
        padding: 20px 20px;
        font-size: 18px;
        font-weight: 300;
    }

}