Changed title heading to ensure it will be visible

Author: Tania Allard

session5/CFG_app/templates/tweets_show.html

@@ -15,7 +15,7 @@
 
           <div class="header header-primary text-center">
             <h4> Results from search:
-              <p class='text-primary'>{{search_string}}</p></h4>
+              <p>{{search_string}}</p></h4>
           </div>
 
           <!-- START TABLE -->