Fix header tooltip alignment

app/views/layouts/header/_default.html.haml

@@ -11,27 +11,27 @@
             %li.hidden-sm.hidden-xs
               = render 'layouts/search'
           %li.visible-sm.visible-xs
-            = link_to search_path, title: 'Search', data: {toggle: 'tooltip', placement: 'bottom'} do
+            = link_to search_path, title: 'Search', data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
               = icon('search')
           - if session[:impersonator_id]
             %li.impersonation
-              = link_to stop_impersonation_admin_users_path, method: :delete, title: 'Stop impersonation', data: { toggle: 'tooltip', placement: 'bottom' } do
+              = link_to stop_impersonation_admin_users_path, method: :delete, title: 'Stop Impersonation', data: { toggle: 'tooltip', placement: 'bottom', container: 'body' } do
                 = icon('user-secret fw')
           - if current_user.is_admin?
             %li
-              = link_to admin_root_path, title: 'Admin area', data: {toggle: 'tooltip', placement: 'bottom'} do
+              = link_to admin_root_path, title: 'Admin Area', data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
                 = icon('wrench fw')
           - if current_user.can_create_project?
             %li
-              = link_to new_project_path, title: 'New project', data: {toggle: 'tooltip', placement: 'bottom'} do
+              = link_to new_project_path, title: 'New project', data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
                 = icon('plus fw')
           - if Gitlab::Sherlock.enabled?
             %li
               = link_to sherlock_transactions_path, title: 'Sherlock Transactions',
-                data: {toggle: 'tooltip', placement: 'bottom'} do
+                data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
                 = icon('tachometer fw')
           %li
-            = link_to destroy_user_session_path, class: 'logout', method: :delete, title: 'Sign out', data: {toggle: 'tooltip', placement: 'bottom'} do
+            = link_to destroy_user_session_path, class: 'logout', method: :delete, title: 'Sign out', data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
               = icon('sign-out')
 
       %h1.title= title