Improve readability for MR review emails

- Removes override for font size of review comments
- Adds padding above divider line

Changelog: changed

app/views/notify/new_review_email.html.haml

@@ -9,16 +9,16 @@
         %table{ border: "0", cellpadding: "0", cellspacing: "0", style: "width:100%;border-collapse:separate;border-spacing:0;" }
           %tbody
             %tr
-              %td{ style: "color:#333333;border-bottom:1px solid #ededed;font-size:15px;font-weight:bold;line-height:1.4;padding: 20px 0;" }
+              %td{ style: "color:#333333;border-bottom:1px solid #ededed;font-weight:bold;line-height:1.4;padding: 20px 0;" }
                 - mr_link = link_to(@merge_request.to_reference(@project), project_merge_request_url(@project, @merge_request))
                 - mr_author_link = link_to(@author_name, user_url(@author))
                 = _('Merge request %{mr_link} was reviewed by %{mr_author}').html_safe % { mr_link: mr_link, mr_author: mr_author_link }
             %tr
-              %td{ style: "overflow:hidden;font-size:14px;line-height:1.4;display:grid;" }
+              %td{ style: "overflow:hidden;line-height:1.4;display:grid;" }
                 - @notes.each do |note|
                   -# Get preloaded note discussion
                   - discussion = @discussions[note.discussion_id] if note.part_of_discussion?
                   -# Preload project for discussions first note
                   - discussion.first_note.project = @project if discussion&.first_note
                   - target_url = project_merge_request_url(@project, @merge_request, anchor: "note_#{note.id}")
-                  = render 'note_email', note: note, diff_limit: 3, target_url: target_url, note_style: "border-bottom:1px solid #ededed;", include_stylesheet_link: false, discussion: discussion, author: @author
+                  = render 'note_email', note: note, diff_limit: 3, target_url: target_url, note_style: "border-bottom:1px solid #ededed; padding-bottom: 1em;", include_stylesheet_link: false, discussion: discussion, author: @author