Notifications: fix titles

Author: Blari

src/app/pages/notification/containers/notification-page/notification-page.component.html

@@ -7,7 +7,7 @@ <h1>Notifications</h1>
     <mat-card class="page-content__first-item-wrapper">
       <div class="page-content__first-item-element">
         <mat-card-title>
-          <h5>Layout Options</h5>
+          <p>Layout Options</p>
         </mat-card-title>
         <mat-card-subtitle>
           <p>There are few position options available for notifications. You can click any of them to change notifications position:</p>
@@ -54,7 +54,7 @@ <h5>Layout Options</h5>
       </div>
       <div class="page-content__first-item-element">
         <mat-card-title>
-          <h5>Notifications Types</h5>
+          <p>Notifications Types</p>
         </mat-card-title>
         <mat-card-subtitle>
           <p>Different types of notifications for lost of use cases. Custom classes are also supported.</p>
@@ -81,7 +81,7 @@ <h5>Notifications Types</h5>
       </div>
       <div class="page-content__first-item-element">
         <mat-card-title>
-          <h5>Usage</h5>
+          <p>Usage</p>
         </mat-card-title>
         <mat-card-subtitle>
           <p>Notifications are created with the help of <a class="link" [href]="toastrLink">ngx-toastr</a></p>