fix font weight and color for issue weight sidebar section

app/assets/javascripts/weight_select.js

@@ -30,9 +30,9 @@
             $loading.fadeOut();
             $selectbox.hide();
             if (data.weight != null) {
-              $value.html(data.weight);
+              $value.html(`<strong>${data.weight}</strong>`);
             } else {
-              $value.html('None');
+              $value.html('<span class="no-value">None</span>');
             }
             return $sidebarCollapsedValue.html(data.weight);
           });

app/views/shared/issuable/_sidebar.html.haml

@@ -162,11 +162,11 @@
             = icon('spinner spin', class: 'block-loading')
             - if can?(current_user, :"admin_#{issuable.to_ability_name}", @project)
               = link_to 'Edit', '#', class: 'edit-link pull-right'
-          .value.bold.hide-collapsed
+          .value.hide-collapsed
             - if issuable.weight
-              = issuable.weight
+              %strong= issuable.weight
             - else
-              .light None
+              %span.no-value None
           .selectbox.hide-collapsed
             = weight_dropdown_tag(issuable, title: 'Change weight', data: { field_name: 'weight', issue_update: "#{issuable_json_path(issuable)}", ability_name: "#{issuable.to_ability_name}" }) do
               %ul