styled step comments

app/assets/stylesheets/themes/scinote.scss

@@ -946,6 +946,7 @@ ul.content-module-activities {
   .content-comments {
     max-height: 250px;
     overflow: auto;
+    padding: 0 15px;
   }
 }
 

app/controllers/step_comments_controller.rb

@@ -1,8 +1,8 @@
 class StepCommentsController < ApplicationController
   before_action :load_vars
 
-  before_action :check_view_permissions, only: [ :index ]
-  before_action :check_add_permissions, only: [ :new, :create ]
+  before_action :check_view_permissions, only: [:index]
+  before_action :check_add_permissions, only: [:new, :create]
   before_action :check_edit_permissions, only: [:edit, :update]
   before_action :check_destroy_permissions, only: [:destroy]
 
@@ -10,31 +10,27 @@ class StepCommentsController < ApplicationController
     @comments = @step.last_comments(@last_comment_id, @per_page)
 
     respond_to do |format|
-      format.json {
+      format.json do
         # 'index' partial includes header and form for adding new
         # messages. 'list' partial is used for showing more
         # comments.
-        partial = "index.html.erb"
-        partial = "list.html.erb" if @last_comment_id > 0
-        more_url = ""
+        partial = 'index.html.erb'
+        partial = 'list.html.erb' if @last_comment_id > 0
+        more_url = ''
         if @comments.count > 0
           more_url = url_for(step_step_comments_path(@step,
                                                      format: :json,
                                                      from: @comments.first.id))
         end
-        render :json => {
+        render json: {
           per_page: @per_page,
           results_number: @comments.length,
           more_url: more_url,
-          html: render_to_string({
-            partial: partial,
-            locals: {
-              comments: @comments,
-              more_comments_url: more_url
-            }
-          })
+          html: render_to_string(partial: partial,
+                                 locals: { comments: @comments,
+                                           more_comments_url: more_url })
         }
-      }
+      end
     end
   end
 

app/views/step_comments/_index.html.erb

@@ -1,3 +1,4 @@
+<hr>
 <h5 class="text-center"><%= t('protocols.steps.comments_tab') %></h5>
 <hr>
 <ul class="no-style double-line content-comments">