add calendar settings

src/app/app.html

@@ -3,7 +3,8 @@
 	<h1>{{ title() }}</h1>
 	<div class="content">
 		<app-user-input></app-user-input>
-		<mat-divider [vertical]="true" style="height: 80%"></mat-divider>
+		<mat-divider [vertical]="true" />
+		<mat-divider />
 		<app-calendar-year></app-calendar-year>
 	</div>
 </main>