Updated link style

Author: mustafizurRohman88

ng-data-binding/index.html

@@ -236,12 +236,13 @@ <h4>&#64;if (Angular v17 onwards)</h4>
               </code>
             </pre>
             <p><span class="highlight">Removes element from the DOM</span> if the book is not present.</p>
+            <!--
             <a class="references" href="https://angular.io/api/common/NgIf#description" target="_blank">Angular Docs *ngIf</a> 
             <br>                  
             <a class="references" href="https://angular.io/api/core/if" target="_blank">Angular Docs @if</a>
-            <!--
-            <a class="references" target="_blank" onclick="window.open('https://angular.io/api/common/NgIf#description'); window.open('https://angular.io/api/core/if');">Angular Docs</a>
             -->
+            <a class="references" target="_blank" onclick="window.open('https://angular.io/api/common/NgIf#description'); window.open('https://angular.io/api/core/if');">Angular Docs</a>
+            
             <aside class="notes">
               Structural directives are marked with a *<br>
               Structural directives means they change the structure of the DOM. The other bindings changed values only.<br>
@@ -270,10 +271,6 @@ <h4>&#64;for (Angular v17 onwards)</h4>
             </code>
           </pre>
           <a class="references" target="_blank" onclick="window.open('https://angular.io/api/common/NgForOf#description'); window.open('https://angular.io/api/core/for');">Angular Docs</a> 
-          <!-- 
-          <br>         
-          <a class="references" href="https://angular.io/api/core/for" target="_blank">Angular Docs @if</a>
-          -->
           <p><span class="highlight">Creates an element</span> for every item of the collection.</p>
 
           <aside class="notes">