Change for responsive lineup layout

lineups/templates/lineups/lineup.html

@@ -7,7 +7,8 @@
     {{ event.venue.name }} <br>
     <div class="container">
         <div class="row">
-            <div class="col-6">
+            <div class="col-md-6">
+            <h6>Lineup</h6>
 {#                <ul class="list-group">#}
             <form action="{%  url 'edit lineup' event_id=event.id%}" method="post">
 
@@ -25,7 +26,8 @@
             </form>
             </div>
 
-            <div class="col-6">
+            <div class="col-md-6">
+                <h6>Players</h6>
                 <ul class="list-group">
                     {% for player in players %}
                         <li class="list-group-item">{{ player.first_name }} {{ player.last_name }} - {{ player.available }}</li>