diff --git a/app/javascript/src/styles/specific/dmails.scss b/app/javascript/src/styles/specific/dmails.scss
index 311e7d6ec..4154e9804 100644
--- a/app/javascript/src/styles/specific/dmails.scss
+++ b/app/javascript/src/styles/specific/dmails.scss
@@ -1,5 +1,5 @@
 div#c-dmails {
-  tr.read-false {
+  tr[data-is-read="false"] {
     font-weight: bold;
   }
 }
diff --git a/app/javascript/src/styles/specific/user_feedback.scss b/app/javascript/src/styles/specific/user_feedback.scss
index bbaa86e52..5856cb9ca 100644
--- a/app/javascript/src/styles/specific/user_feedback.scss
+++ b/app/javascript/src/styles/specific/user_feedback.scss
@@ -1,9 +1,9 @@
 div#c-user-feedbacks, div#c-moderator-dashboards div#col2 {
-  .feedback-category-positive {
+  [data-category="positive"] {
     background: var(--success-background-color);
   }
 
-  .feedback-category-negative {
+  [data-category="negative"] {
     background: var(--error-background-color);
   }
 }
diff --git a/app/logical/table_builder.rb b/app/logical/table_builder.rb
index 2f5017429..d9884cf8c 100644
--- a/app/logical/table_builder.rb
+++ b/app/logical/table_builder.rb
@@ -23,13 +23,12 @@ class TableBuilder
     end
   end
 
-  attr_reader :columns, :table_attributes, :row_attributes, :items
+  attr_reader :columns, :table_attributes, :items
 
-  def initialize(items, table_attributes=nil, row_attributes=nil)
+  def initialize(items, table_attributes=nil)
     @items = items
     @columns = []
     @table_attributes = table_attributes
-    @row_attributes = row_attributes
     yield self if block_given?
   end
 
@@ -50,17 +49,6 @@ class TableBuilder
       class_attributes = {}
     end
 
-    if !row_attributes.nil?
-      mapped_row_attributes = row_attributes.clone
-      mapped_row_attributes.clone.each do |key, value|
-        if value.kind_of?(Array)
-          mapped_row_attributes[key] = value[0] % value.slice(1,value.length).map {|param| eval(param)}
-        end
-      end
-    else
-      mapped_row_attributes = {}
-    end
-
-    standard_attributes.merge(class_attributes).merge(mapped_row_attributes)
+    standard_attributes.merge(class_attributes)
   end
 end
diff --git a/app/models/dmail.rb b/app/models/dmail.rb
index fc60007eb..4b7ec5664 100644
--- a/app/models/dmail.rb
+++ b/app/models/dmail.rb
@@ -148,7 +148,7 @@ class Dmail < ApplicationRecord
 
   module ApiMethods
     def html_data_attributes
-      [:owner_id, :from_id, :to_id]
+      [:owner_id, :from_id, :to_id, :is_read?]
     end
   end
 
diff --git a/app/models/user_feedback.rb b/app/models/user_feedback.rb
index 2ca160c03..c1fde6ff3 100644
--- a/app/models/user_feedback.rb
+++ b/app/models/user_feedback.rb
@@ -42,7 +42,7 @@ class UserFeedback < ApplicationRecord
 
   module ApiMethods
     def html_data_attributes
-      [:user_id, :creator_id]
+      [:user_id, :creator_id, :category]
     end
   end
 
diff --git a/app/views/dmails/index.html.erb b/app/views/dmails/index.html.erb
index 4a58606a4..10c7e8047 100644
--- a/app/views/dmails/index.html.erb
+++ b/app/views/dmails/index.html.erb
@@ -10,7 +10,7 @@
 
     <%= render "search" %>
 
-    <%= table_for @dmails, {class: "striped", width: "100%"}, {class: ["read-%s", "item.is_read?"]} do |t| %>
+    <%= table_for @dmails, {class: "striped", width: "100%"} do |t| %>
       <% t.column "Date" do |dmail| %>
         <%= compact_time(dmail.created_at) %>
       <% end %>
diff --git a/app/views/post_flags/index.html.erb b/app/views/post_flags/index.html.erb
index ad5c4d80b..2b66c1168 100644
--- a/app/views/post_flags/index.html.erb
+++ b/app/views/post_flags/index.html.erb
@@ -4,7 +4,7 @@
     <%= render "search" %>
     <%= render "posts/partials/common/inline_blacklist" %>
 
-    <%= table_for @post_flags, {class: "striped", width: "100%"}, {class: ["resolved-%s", "item.is_resolved?"]} do |t| %>
+    <%= table_for @post_flags, {class: "striped", width: "100%"} do |t| %>
       <% t.column "Post", {width: "1%"} do |post_flag| %>
         <%= PostPresenter.preview(post_flag.post, :tags => "status:any") %>
       <% end %>
diff --git a/app/views/user_feedbacks/index.html.erb b/app/views/user_feedbacks/index.html.erb
index a1197155e..54d973fc0 100644
--- a/app/views/user_feedbacks/index.html.erb
+++ b/app/views/user_feedbacks/index.html.erb
@@ -13,7 +13,7 @@
       <%= f.submit "Search" %>
     <% end %>
 
-    <%= table_for @user_feedbacks, {class: "striped autofit"}, {class: ["feedback-category-%s", "item.category"]} do |t| %>
+    <%= table_for @user_feedbacks, {class: "striped autofit"} do |t| %>
       <% t.column "User" do |feedback| %>
         <%= link_to_user feedback.user %>
         <%= link_to "»", user_feedbacks_path(search: { user_name: feedback.user.name }) %>