:root{--hb-color-header-bg:#3F51B5;--hb-color-header-fg:#FFFFFF}.navbar .nav-link,.navbar .nav-link:hover,.dark .navbar .nav-link:hover{color:#fff}.navbar .nav-link.active{color:#c5d9ff}.navbar .nav-link.active:hover{color:#c5d9ff}.page-header{position:sticky;top:0;z-index:1000}