adds spacing above submission by round filters

opentech/apply/funds/templates/funds/submissions_by_round.html

@@ -16,7 +16,7 @@
     </div>
 
     <div id="react-app">
-        <div class="wrapper wrapper--large">
+        <div class="wrapper wrapper--large wrapper--inner-space-medium">
             {% block table %}
                 {{ block.super }}
             {% endblock %}