Preformatted styling for post content

lms/djangoapps/discussion/templates/discussion/edx_ace/responsenotification/email/body.html

@@ -11,11 +11,10 @@
                     {{ comment_username }} replied to <b>{{ thread_title }}</b>:
                 {% endblocktrans %}
             </p>
-
-            <div style="border: 1px solid white;
-                        padding: 15px 15px 15px 20px;
-                        box-shadow: 0 0px 2px rgba(0, 0, 0, 0.55);
-                        margin: 30px 70px 40px 0px;">
+            <div style="border-left: 1px solid rgba(0,0,0,0.25);
+                    padding: 1px 1px 1px 15px;
+                    margin: 20px 20px 30px 30px;
+                    color: rgba(0,0,0,.75);">
                 {{ comment_body }}
             </div>
 

lms/djangoapps/discussion/templates/discussion/edx_ace/responsenotification/email/body.txt

@@ -5,7 +5,13 @@
     {{ comment_username }} replied to <b>{{ thread_title }}</b>:
 {% endblocktrans %}
 
-{{ comment_body }}
+
+<div style="border-left: 1px solid rgba(0,0,0,0.25);
+                    padding: 1px 1px 1px 15px;
+                    margin: 20px 20px 30px 30px;
+                    color: rgba(0,0,0,.75);">
+    {{ comment_body }}
+</div>
 
 <a href="{{ post_link }}"> {% trans "View discussion" %} </a>
 {% endblock %}