body{grid-template-areas:"GlobalHeader" "PageMain" "GlobalFooter";grid-template-rows:auto 1fr auto}#global_header{grid-area:GlobalHeader}#page_main{grid-area:PageMain}#global_footer{grid-area:GlobalFooter}:where(#page_main,#page_overlays,#global_overlays,#global_footer) .section{contain:inline-size layout style paint}:where(#global_header,#page_main) .section:not(#navbar,#banner){content-visibility:hidden}:where(#global_header){z-index:1000}:where(#page_overlays,#global_overlays){bottom:0;left:100%;position:fixed;right:-100%;top:0;z-index:1200}