@import "@primer/css/support/index.scss"; .header { display: unset; } // Need children of portal root to be higher z-index to show dropdown .portalRoot * { z-index: 3 !important; } // Make the top-level window the scroll window by using the entire screen height to display .fullVerticalScroll { max-height: 100vh; overflow-y: scroll; // When nav dropdown shifts to large layout, use overflow defaults @include breakpoint(lg) { max-height: inherit; overflow-y: inherit; } }