Updated icon for AI studies

index.html

@@ -60,8 +60,7 @@
             <button class="tab-link" onclick="openTab(event, 'SixgStudies')"><span class="tab-heading">6G-STUDIES</span></button>
             <button class="tab-link" onclick="openTab(event, 'Digital')"><span class="tab-heading">DIGITAL-MARKETING</span></button> 
             -->
-            <button class="tab-link" onclick="openTab(event, 'AI-Studies')"><span class="tab-heading">AI-STUDIES</span></button>
-                      
+            <button class="tab-link" onclick="openTab(event, 'AI-Studies')"><span class="tab-heading"><span class="ai-icon">AI-STUDIES</span></span></button>
             <button class="tab-link" onclick="openTab(event, 'Nature')"><span class="tab-heading"><span class="nature-leaf">NATURE</span></span></button>
             <button class="tab-link" onclick="openTab(event, 'Garden')"><span class="tab-heading"><span class="potted-plant">GARDENING</span></span></button>          
             <!--<button class="tab-link" onclick="openTab(event, 'Devotional')"><span class="tab-heading">DEVOTIONAL</span></button>-->