Style wiki pages

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/views/projects/wikis/_main_links.html.haml

 %span.pull-right
+  - if can?(current_user, :create_wiki, @project)
+    = link_to '#modal-new-wiki', class: "add-new-wiki btn btn-new btn-grouped", "data-toggle" => "modal" do
+      %i.fa.fa-plus
+      New Page
+
   - if (@page && @page.persisted?)
     = link_to namespace_project_wiki_history_path(@project.namespace, @project, @page), class: "btn btn-grouped" do
       Page History
@@ -6,3 +11,5 @@
       = link_to namespace_project_wiki_edit_path(@project.namespace, @project, @page), class: "btn btn-grouped" do
         %i.fa.fa-pencil-square-o
         Edit
+
+= render 'projects/wikis/new'

app/views/projects/wikis/_nav.html.haml

-%ul.nav.nav-tabs
+%ul.center-top-menu
   = nav_link(html_options: {class: params[:id] == 'home' ? 'active' : '' }) do
     = link_to 'Home', namespace_project_wiki_path(@project.namespace, @project, :home)
 
@@ -7,13 +7,4 @@
 
   = nav_link(path: 'wikis#git_access') do
     = link_to namespace_project_wikis_git_access_path(@project.namespace, @project) do
-      %i.fa.fa-download
       Git Access
-
-  - if can?(current_user, :create_wiki, @project)
-    .pull-right
-      = link_to '#modal-new-wiki', class: "add-new-wiki btn btn-new", "data-toggle" => "modal" do
-        %i.fa.fa-plus
-        New Page
-
-= render 'projects/wikis/new'

app/views/projects/wikis/git_access.html.haml

 - page_title "Git Access", "Wiki"
 = render 'nav'
-.row
-  .col-sm-6
-    %h3.page-title
-      Git access for
-      %strong= @project_wiki.path_with_namespace
+.gray-content-block
+  .row
+    .col-sm-6
+      %h3.page-title
+        Git access for
+        %strong= @project_wiki.path_with_namespace
 
-  .col-sm-6
-    = render "shared/clone_panel", project: @project_wiki
+    .col-sm-6
+      = render "shared/clone_panel", project: @project_wiki
 
-.git-empty
+.git-empty.prepend-top-default
   %fieldset
     %legend Install Gollum:
     %pre.dark

app/views/projects/wikis/history.html.haml

 - page_title "History", @page.title, "Wiki"
 = render 'nav'
-%h3.page-title
-  %span.light History for
-  = link_to @page.title, namespace_project_wiki_path(@project.namespace, @project, @page)
+.gray-content-block
+  %h3.page-title
+    %span.light History for
+    = link_to @page.title, namespace_project_wiki_path(@project.namespace, @project, @page)
 
 %table.table
   %thead

app/views/projects/wikis/pages.html.haml

 - page_title "All Pages", "Wiki"
 = render 'nav'
-%h3.page-title
-  All Pages
-%ul.bordered-list
+.gray-content-block
+  %h3.page-title
+    All Pages
+%ul.content-list
   - @wiki_pages.each do |wiki_page|
     %li
       %h4

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

 - page_title @page.title, "Wiki"
 = render 'nav'
-%h3.page-title
-  = @page.title
+
+.gray-content-block
   = render 'main_links'
+  %h3.page-title
+    = @page.title.capitalize
 
-.wiki-last-edit-by
-  Last edited by #{@page.commit.author.name} #{time_ago_with_tooltip(@page.commit.authored_date)}
+  .wiki-last-edit-by
+    Last edited by #{@page.commit.author.name} #{time_ago_with_tooltip(@page.commit.authored_date)}
 
 - if @page.historical?
   .warning_message
     This is an old version of this page.
     You can view the #{link_to "most recent version", namespace_project_wiki_path(@project.namespace, @project, @page)} or browse the #{link_to "history", namespace_project_wiki_history_path(@project.namespace, @project, @page)}.
 
-%hr
 
-.wiki-holder
+.wiki-holder.prepend-top-default
   .wiki
     = preserve do
       = render_wiki_content(@page)
 
-%hr
-.wiki-last-edit-by
-  Last edited by #{@page.commit.author.name} #{time_ago_with_tooltip(@page.commit.authored_date)}
+.gray-content-block.footer-block
+  .wiki-last-edit-by
+    Last edited by #{@page.commit.author.name} #{time_ago_with_tooltip(@page.commit.authored_date)}