.book-demo .bnr-txt{margin-top:38px;max-width:465px;width:100%}.book-demo .img-block{width:calc(100% - 465px)}.book-demo .img-block img{display:block;width:100%}@media only screen and (max-width:1199px){.book-demo .bnr-txt{margin-top:19px;max-width:375px}.book-demo .img-block{width:calc(100% - 375px)}}@media only screen and (max-width:991px){.book-demo .bnr-txt{max-width:100%;text-align:center}.book-demo .img-block{width:100%}}