Second try adding tabs

index.php

@@ -49,8 +49,12 @@
         $stmt2 = $conn->query( $query );
         ?>
         <ul class="nav nav-tabs">
-            <li class="active"><a data-toggle="tab" href="#racingaustralia">Scratchings</a></li>
-            <li><a data-toggle="tab" href="#tornraces">Races on Torn</a></li>
+            <li class="nav-item">
+                <a class="nav-link active" href="#">Scratchings</a>
+            </li>
+            <li class="nav-item">
+                <a class="nav-link" href="#">Races on Torn</a>
+            </li>
         </ul>
         <h4>Races featured on Torn</h4>
         <table class="table table-striped table-bordered">