Task/extract page tabs to dedicated component (part 2) (#6881)

Fix fab container style on mobile

libs/ui/src/lib/page-tabs/page-tabs.component.scss

@@ -14,13 +14,13 @@
     )
   );
 
-  .fab-container {
+  ::ng-deep {
-    @media (max-width: 575.98px) {
+    .fab-container {
-      bottom: 5rem;
+      @media (max-width: 575.98px) {
+        bottom: 5rem;
+      }
     }
-  }
 
-  ::ng-deep {
     .mat-mdc-tab-nav-panel {
       padding: 2rem 0;
     }