.book-bg{background-image:url(/files/images/bookcover1.jpg);background-size:cover;background-position:center center;position:relative;height:100vh}@media(max-width:768px){.book-bg{background-image:url(/files/images/bookcover1.jpg);background-size:cover;background-position:center center;position:relative;height:70vh}.col-md-6{padding-left:15px!important;padding-right:15px!important}}