html{--lumo-primary-color: #B81F25;--lumo-primary-text-color: #B81F25;--lumo-primary-color-50pct: rgba(184,31,37,0.5);--lumo-primary-color-10pct: rgba(184,31,37,0.1);--lumo-header-text-color: #434C5B;--lumo-border-radius-m: 6px}vaadin-app-layout::part(navbar){border-bottom: 3px solid #B81F25}vaadin-app-layout h1{color: #434C5B}vaadin-side-nav-item{--lumo-primary-color-10pct: rgba(184,31,37,0.08)}