Reduce top padding by half for emails

VAN-177

openedx/core/djangoapps/ace_common/templates/ace_common/edx_ace/common/base_body.html

@@ -77,7 +77,7 @@
         <tr>
             <!-- MAIN -->
             <td class="main" bgcolor="#ffffff" style="
-                padding: 30px 20px;
+                padding: 15px 20px 30px 20px;
                 box-shadow: 0 1px 5px rgba(0,0,0,0.25);
             ">
                 {% block content %}{% endblock %}