.booklist-video-banner {
    background: url(../images/book-page/gurushisya-video.jpg) no-repeat
}
.booklist-banner {
    background: url(../images/book-page/banner/gurushisya-banner.jpg);
    background-position: 50% center!important;
    background-size: cover
}

@media screen and (max-width:1024px) {
.booklist-banner {
    background: url(../images/book-page/banner/gurushisya-banner-tablet.jpg) center bottom no-repeat!important
}
}

@media screen and (max-width:767px) {
.booklist-banner {
    background: url(../images/book-page/banner/gurushisya-banner-mob.jpg) center bottom no-repeat!important;
    background-size: cover
}
}