.wm-menu-toggle,.l2-search-close{display:none!important}.wm-header .wm-nav-host{display:block!important;grid-column:1/-1;grid-row:2}.wm-submenu-toggle{display:none!important}.wm-primary-menu{flex-wrap:wrap}.wm-primary-menu>li{flex-wrap:wrap;align-items:flex-start}.wm-primary-menu .sub-menu{display:block!important;position:static!important;flex-basis:100%;max-height:35vh;overflow:auto}

Reference Books