Feature: Allow edit of time in guest book.

Feature: Guest book row color is the same as running table colors

bookie/src/app/guest-book/guest-book-list/guest-book-list.component.ts

@@ -17,7 +17,7 @@ import { GuestBookListDataSource } from './guest-book-list-datasource';
 @Component({
   selector: 'app-guest-book-list',
   templateUrl: './guest-book-list.component.html',
-  styleUrls: ['./guest-book-list.component.css'],
+  styleUrls: ['./guest-book-list.component.sass'],
 })
 export class GuestBookListComponent implements OnInit {
   data: BehaviorSubject<GuestBook[]> = new BehaviorSubject<GuestBook[]>([]);