Style sub nav links in Graphs

app/views/projects/graphs/_head.html.haml

-- page_specific_javascripts asset_path("graphs/application.js")
-%ul.nav-links
-  = nav_link(action: :show) do
-    = link_to 'Contributors', namespace_project_graph_path
-  = nav_link(action: :commits) do
-    = link_to 'Commits', commits_namespace_project_graph_path
-  = nav_link(action: :languages) do
-    = link_to 'Languages', languages_namespace_project_graph_path
-  - if @project.builds_enabled?
-    = nav_link(action: :ci) do
-      = link_to ci_namespace_project_graph_path do
-        Continuous Integration
+%ul.nav-links.sub-nav
+  %div{ class: (container_class) }
+
+    - page_specific_javascripts asset_path("graphs/application.js")
+    = nav_link(action: :show) do
+      = link_to 'Contributors', namespace_project_graph_path
+    = nav_link(action: :commits) do
+      = link_to 'Commits', commits_namespace_project_graph_path
+    = nav_link(action: :languages) do
+      = link_to 'Languages', languages_namespace_project_graph_path
+    - if @project.builds_enabled?
+      = nav_link(action: :ci) do
+        = link_to ci_namespace_project_graph_path do
+          Continuous Integration

app/views/projects/graphs/ci.html.haml

+- @no_container = true
 - page_title "Continuous Integration", "Graphs"
 = render 'head'
-.row-content-block.append-bottom-default
-  .oneline
-    A collection of graphs for Continuous Integration
-#charts.ci-charts
-  .row
-    .col-md-6
-      = render 'projects/graphs/ci/overall'
-    .col-md-6
-      = render 'projects/graphs/ci/build_times'
-  %hr
-  = render 'projects/graphs/ci/builds'
+%div{ class: (container_class) }
+  .row-content-block.append-bottom-default
+    .oneline
+      A collection of graphs for Continuous Integration
+  #charts.ci-charts
+    .row
+      .col-md-6
+        = render 'projects/graphs/ci/overall'
+      .col-md-6
+        = render 'projects/graphs/ci/build_times'
+
+    %hr
+    = render 'projects/graphs/ci/builds'

app/views/projects/graphs/commits.html.haml

+- @no_container = true
 - page_title "Commits", "Graphs"
 = render 'head'
-.row-content-block.append-bottom-default
-  .tree-ref-holder
-    = render 'shared/ref_switcher', destination: 'graphs_commits'
-  %ul.breadcrumb.repo-breadcrumb
-    = commits_breadcrumbs
-%p.lead
-  Commit statistics for
-  %strong #{@ref}
-  #{@commits_graph.start_date.strftime('%b %d')} - #{@commits_graph.end_date.strftime('%b %d')}
-.row
-  .col-md-6
-    %ul
-      %li
-        %p.lead
-          %strong #{@commits_graph.commits.size}
-          commits during
-          %strong #{@commits_graph.duration}
-          days
-      %li
-        %p.lead
-          Average
-          %strong #{@commits_graph.commit_per_day}
-          commits per day
-      %li
-        %p.lead
-          Contributed by
-          %strong #{@commits_graph.authors}
-          authors
-  .col-md-6
-    %div
-      %p.slead
-        Commits per day of month
-      %canvas#month-chart
-.row
-  .col-md-6
-    %div
-      %p.slead
-        Commits per day hour (UTC)
-      %canvas#hour-chart
-  .col-md-6
-    %div
-      %p.slead
-        Commits per weekday
-      %canvas#weekday-chart
+%div{ class: (container_class) }
+  .row-content-block.append-bottom-default
+    .tree-ref-holder
+      = render 'shared/ref_switcher', destination: 'graphs_commits'
+    %ul.breadcrumb.repo-breadcrumb
+      = commits_breadcrumbs
+  %p.lead
+    Commit statistics for
+    %strong #{@ref}
+    #{@commits_graph.start_date.strftime('%b %d')} - #{@commits_graph.end_date.strftime('%b %d')}
+  .row
+    .col-md-6
+      %ul
+        %li
+          %p.lead
+            %strong #{@commits_graph.commits.size}
+            commits during
+            %strong #{@commits_graph.duration}
+            days
+        %li
+          %p.lead
+            Average
+            %strong #{@commits_graph.commit_per_day}
+            commits per day
+        %li
+          %p.lead
+            Contributed by
+            %strong #{@commits_graph.authors}
+            authors
+    .col-md-6
+      %div
+        %p.slead
+          Commits per day of month
+        %canvas#month-chart
+  .row
+    .col-md-6
+      %div
+        %p.slead
+          Commits per day hour (UTC)
+        %canvas#hour-chart
+    .col-md-6
+      %div
+        %p.slead
+          Commits per weekday
+        %canvas#weekday-chart
 :javascript
   var responsiveChart = function (selector, data) {

app/views/projects/graphs/languages.html.haml

+- @no_container = true
 - page_title "Languages", "Graphs"
 = render 'head'
-.row-content-block.append-bottom-default
-  .oneline
-    Programming languages used in this repository
-.row
-  .col-md-8
-    %canvas#languages-chart{ height: 400 }
-  .col-md-4
-    %ul.bordered-list
-      - @languages.each do |language|
-        %li
-          %span{ style: "color: #{language[:color]}" }
-            = icon('circle')
-           
-          = language[:label]
-          .pull-right
-            = language[:value]
-            \%
+%div{ class: (container_class) }
+  .row-content-block.append-bottom-default
+    .oneline
+      Programming languages used in this repository
+  .row
+    .col-md-8
+      %canvas#languages-chart{ height: 400 }
+    .col-md-4
+      %ul.bordered-list
+        - @languages.each do |language|
+          %li
+            %span{ style: "color: #{language[:color]}" }
+              = icon('circle')
+             
+            = language[:label]
+            .pull-right
+              = language[:value]
+              \%
 :javascript
   var data = #{@languages.to_json};

app/views/projects/graphs/show.html.haml

+- @no_container = true
 - page_title "Contributors", "Graphs"
 = render 'head'
-.row-content-block.append-bottom-default
-  .tree-ref-holder
-    = render 'shared/ref_switcher', destination: 'graphs'
-  %ul.breadcrumb.repo-breadcrumb
-    = commits_breadcrumbs
-
-.loading-graph
-  .center
-    %h3.page-title
-      %i.fa.fa-spinner.fa-spin
-      Building repository graph.
-    %p.slead Please wait a moment, this page will automatically refresh when ready.
-
-.stat-graph.hide
-  .header.clearfix
-    %h3#date_header.page-title
-    %p.light
-      Commits to #{@ref}, excluding merge commits. Limited to 6,000 commits.
-    %input#brush_change{:type => "hidden"}
-  .graphs
-    #contributors-master
-    #contributors.clearfix
-      %ol.contributors-list.clearfix
+%div{ class: (container_class) }
+  .row-content-block.append-bottom-default
+    .tree-ref-holder
+      = render 'shared/ref_switcher', destination: 'graphs'
+    %ul.breadcrumb.repo-breadcrumb
+      = commits_breadcrumbs
+
+  .loading-graph
+    .center
+      %h3.page-title
+        %i.fa.fa-spinner.fa-spin
+        Building repository graph.
+      %p.slead Please wait a moment, this page will automatically refresh when ready.
+
+  .stat-graph.hide
+    .header.clearfix
+      %h3#date_header.page-title
+      %p.light
+        Commits to #{@ref}, excluding merge commits. Limited to 6,000 commits.
+      %input#brush_change{:type => "hidden"}
+    .graphs
+      #contributors-master
+      #contributors.clearfix
+        %ol.contributors-list.clearfix