.header{z-index:10}.book-menu{border-top:2px solid #FFF;border-bottom:2px solid #FFF;border-left:2px solid #FFF;border-right:2px solid #FFF}@media (max-width:1119px){.book-menu{border-top:0px solid;border-bottom:0px solid;border-left:0px solid;border-right:0px solid}}