dnet-applications/frontends/dnet-is-application/src/app/app.component.css

.sidenav-container {
	height: 100%;
}

.sidenav {
	width: 350px;
}

.sidenav .mat-toolbar {
	background: inherit;
}

.mat-toolbar.mat-primary {
	position: sticky;
	top: 0;
	z-index: 1;
}