[TASK] Fix small styling mistakes (#22)

Reviewed-on: #22

src/app/employee/delete/delete.component.html

@@ -1,6 +1,6 @@
 <h2 mat-dialog-title>Delete {{employee.firstName}} {{employee.lastName}}</h2>
 <mat-dialog-content>Are you sure you want to delete {{employee.firstName}} {{employee.lastName}}? This cant be undone.</mat-dialog-content>
 <mat-dialog-actions>
-  <button mat-button mat-dialog-close>Cancel</button>
-  <button mat-button [mat-dialog-close]="true" (click)="deleteEmployee(employee.id ?? 0)">Delete</button>
+  <button mat-button [mat-dialog-close]="false">Cancel</button>
+  <button mat-button mat-dialog-close (click)="deleteEmployee(employee.id ?? 0)" cdkFocusInitial>Delete</button>
 </mat-dialog-actions>