fixed Longhorn banner

Author: DavertMik

_includes/hero.html

@@ -18,9 +18,9 @@ <h1>PHP Testing for <br>everyone<span class="blue">_</span></h1>
            href="https://sdclabs.com/codeception?utm_source=codeception.com&utm_medium=cover_section&utm_term=big_button&utm_campaign=reference">Enterprise
           Support</a>
       </div> <!-- /.row -->
-      <div class="text-left">
-        <a href="http://longhornphp.com" target="_blank"><img src="/images/longhornphp.jpg" alt="Longhorn PHP Conference"></a>
-      </div>
+    </div>
+    <div class="text-left" style="text-align:left">
+      <a href="http://longhornphp.com" target="_blank"><img src="/images/longhornphp.jpg" alt="Longhorn PHP Conference"></a>
     </div>
   </div>
 </div>