diff --git a/app/assets/stylesheets/osem-rating.css.scss b/app/assets/stylesheets/osem-rating.css.scss
index 4eae3429..7312ac45 100644
--- a/app/assets/stylesheets/osem-rating.css.scss
+++ b/app/assets/stylesheets/osem-rating.css.scss
@@ -5,14 +5,15 @@
 .avgrating.bright { background-image: image-url("star-bright.png"); }
 .avgrating {
   background: image-url("star.png") 0 0;
-  width: 26px;
-  height: 26px;
+  margin-right: -2px;
+  width: 24px;
+  height: 24px;
   display: inline-block;
 }
 .myrating, .othersrating {
   background: image-url("star.png") 0 0;
-  width: 26px;
-  height: 26px;
+  width: 24px;
+  height: 24px;
   float: left;
 }
 
diff --git a/app/controllers/admin/users_controller.rb b/app/controllers/admin/users_controller.rb
index bfe0b4cf..607cbe7b 100644
--- a/app/controllers/admin/users_controller.rb
+++ b/app/controllers/admin/users_controller.rb
@@ -14,7 +14,7 @@ module Admin
       # Variable @show_attributes holds the attributes that are visible for the 'show' action
       # If you want to change the attributes that are shown in the 'show' action of users
       # add/remove the attributes in the following string array
-      @show_attributes = %w(name email affiliation biography registered attended roles created_at
+      @show_attributes = %w(name email username nickname affiliation biography registered attended roles created_at
                             updated_at sign_in_count current_sign_in_at last_sign_in_at
                             current_sign_in_ip last_sign_in_ip)
     end
diff --git a/app/views/admin/events/_proposal.html.haml b/app/views/admin/events/_proposal.html.haml
index 03160090..d6349ab1 100644
--- a/app/views/admin/events/_proposal.html.haml
+++ b/app/views/admin/events/_proposal.html.haml
@@ -11,7 +11,7 @@
   .col-md-12
     %table.table
       %tr
-        %td{:style => "width:15%"}
+        %td.col-md-2
           %b Type
         %td
           .dropdown
diff --git a/app/views/admin/events/_voting.html.haml b/app/views/admin/events/_voting.html.haml
index 43e54ff1..43b44cea 100644
--- a/app/views/admin/events/_voting.html.haml
+++ b/app/views/admin/events/_voting.html.haml
@@ -1,6 +1,6 @@
 %table.table#myrating
   %tr
-    %td{:style => "width:15%"}
+    %td.col-md-2
       %b Rating
     %td
       - if @event.average_rating.to_f > 0
diff --git a/app/views/admin/events/index.html.haml b/app/views/admin/events/index.html.haml
index f0925497..137d5a15 100644
--- a/app/views/admin/events/index.html.haml
+++ b/app/views/admin/events/index.html.haml
@@ -40,7 +40,7 @@
             =link_to event.title, admin_conference_event_path(@conference.short_title, event)
 
           - if @conference.call_for_paper && @conference.call_for_paper.rating && @conference.call_for_paper.rating > 0
-            %td{:style => "width:96px"}
+            %td.col-md-1
               - if event.average_rating.to_f > 0
                 #{event.average_rating}/#{@conference.call_for_paper.rating}
                 %br
diff --git a/app/views/admin/users/_submissions.html.haml b/app/views/admin/users/_submissions.html.haml
index c671a45b..0daa1368 100644
--- a/app/views/admin/users/_submissions.html.haml
+++ b/app/views/admin/users/_submissions.html.haml
@@ -4,7 +4,7 @@
       Submissions (#{@user.events.length}) for #{@user.name}
   .col-md-12
     .well
-      %table.table.table-bordered.table-striped.table-hover#submissions
+      %table.table.table-bordered.table-striped.table-hover.datatable#submissions
         %thead
           %th ID
           %th Conference
@@ -30,10 +30,3 @@
                     - else
                       = label_tag 'label_rating', '', class: 'avgrating'
               %td= event.created_at
-
-:javascript
-  $(document).ready(function() {
-      $('#submissions').dataTable( {
-        "bPaginate": false
-      } );
-  } );
diff --git a/app/views/admin/users/show.html.haml b/app/views/admin/users/show.html.haml
index 98196a37..81804a95 100644
--- a/app/views/admin/users/show.html.haml
+++ b/app/views/admin/users/show.html.haml
@@ -11,11 +11,17 @@
         #user-info-content.tab-pane{class: "#{'active' unless params[:tab] == 'submissions-content'}"}
           - if can? :edit, @user
             .pull-right
-              = link_to "Edit", edit_admin_user_path(@user), class: 'btn btn-primary'
+              = link_to 'Edit', edit_admin_user_path(@user), class: 'btn btn-primary'
+          - if @user.confirmed?
+            %span.label.label-success
+              confirmed
+          - else
+            %span.label.label-warning
+              unconfirmed
           %table.table
             - @show_attributes.each do |attr|
               %tr
-                %td{class: 'table20'}
+                %td.col-md-2
                   %b
                     = attr.capitalize.gsub('_', ' ')
                 - if attr == 'roles'
diff --git a/app/views/conference_registrations/show.html.haml b/app/views/conference_registrations/show.html.haml
index 898493f2..298a1da3 100644
--- a/app/views/conference_registrations/show.html.haml
+++ b/app/views/conference_registrations/show.html.haml
@@ -101,9 +101,9 @@
     .col-md-12
       -if @registration
         .btn-group-vertical.pull-right
-          = link_to 'Edit your Registration', edit_conference_conference_registrations_path(@conference.short_title), class: 'btn btn-success'
+          = link_to 'Edit your Registration', edit_conference_conference_registrations_path(@conference.short_title), class: 'btn btn-success', disabled: @conference.end_date < Date.today
           = link_to 'Unregister', conference_conference_registrations_path(@conference.short_title),
-          method: :delete, class: 'btn btn-danger btn-xs', confirm: 'Are you sure you want to unregister?'
+          method: :delete, class: 'btn btn-danger btn-xs', confirm: 'Are you sure you want to unregister?', disabled: @conference.end_date < Date.today
       - else
         = link_to 'Register', new_conference_conference_registrations_path(@conference.short_title), class: 'btn btn-success btn-lg pull-right'