data-toggle="tab"

index.php

@@ -49,8 +49,8 @@
         $stmt2 = $conn->query( $query );
         ?>
         <nav class="nav nav-tabs" style="margin: 24px 0;">
-            <a class="nav-link active" href="#">Scratchings</a>
-            <a class="nav-link" href="#">Races on Torn</a>
+            <a class="nav-link active" data-toggle="tab" href="#">Scratchings</a>
+            <a class="nav-link" data-toggle="tab" href="#">Races on Torn</a>
         </nav>
         <h4>Races featured on Torn</h4>
         <table class="table table-striped table-bordered">