diff --git a/app/views/admin/application_settings/_abuse.html.haml b/app/views/admin/application_settings/_abuse.html.haml
index ea9bdbed9ae9e412f5c42966e4c9103f4eec05be..f050c0816b10acd5c15d6ffbc7b5683aca2142f7 100644
--- a/app/views/admin/application_settings/_abuse.html.haml
+++ b/app/views/admin/application_settings/_abuse.html.haml
@@ -8,4 +8,4 @@
       .form-text.text-muted
         Abuse reports will be sent to this address if it is set. Abuse reports are always available in the admin area.
 
-  = f.submit 'Save changes', class: "gl-button btn btn-success"
+  = f.submit 'Save changes', class: "gl-button btn btn-confirm"
diff --git a/app/views/admin/application_settings/_account_and_limit.html.haml b/app/views/admin/application_settings/_account_and_limit.html.haml
index 009e0732911383e91db5a57a82f0020fb0ff935c..2e5cf156a65979daa3c5fd109c8730a7235b9f8a 100644
--- a/app/views/admin/application_settings/_account_and_limit.html.haml
+++ b/app/views/admin/application_settings/_account_and_limit.html.haml
@@ -65,4 +65,4 @@
 
     = render_if_exists 'admin/application_settings/updating_name_disabled_for_users', form: f
     = render_if_exists 'admin/application_settings/availability_on_namespace_setting', form: f
-  = f.submit _('Save changes'), class: 'gl-button btn btn-success qa-save-changes-button'
+  = f.submit _('Save changes'), class: 'gl-button btn btn-confirm qa-save-changes-button'
diff --git a/app/views/admin/application_settings/_ci_cd.html.haml b/app/views/admin/application_settings/_ci_cd.html.haml
index f11770b397e316e2cb57be66e93e5457af19bc11..0af244d54f32edd3de52a1ec066e828588006871 100644
--- a/app/views/admin/application_settings/_ci_cd.html.haml
+++ b/app/views/admin/application_settings/_ci_cd.html.haml
@@ -68,4 +68,4 @@
         = _("The default CI configuration path for new projects.").html_safe
         = link_to sprite_icon('question-o'), help_page_path('ci/pipelines/settings', anchor: 'custom-cicd-configuration-path'), target: '_blank'
 
-  = f.submit _('Save changes'), class: "gl-button btn btn-success"
+  = f.submit _('Save changes'), class: "gl-button btn btn-confirm"
diff --git a/app/views/admin/application_settings/_diff_limits.html.haml b/app/views/admin/application_settings/_diff_limits.html.haml
index 494558a6c2d0001023ac2521d6d8a96eab5b1258..c5ae5c579add34515b6ce3aa4e221de564dc698d 100644
--- a/app/views/admin/application_settings/_diff_limits.html.haml
+++ b/app/views/admin/application_settings/_diff_limits.html.haml
@@ -12,4 +12,4 @@
         = link_to sprite_icon('question-o'),
           help_page_path('user/admin_area/diff_limits',
           anchor: 'maximum-diff-patch-size')
-  = f.submit _('Save changes'), class: 'gl-button btn btn-success'
+  = f.submit _('Save changes'), class: 'gl-button btn btn-confirm'
diff --git a/app/views/admin/application_settings/_eks.html.haml b/app/views/admin/application_settings/_eks.html.haml
index c4bdb4ad7ca0d270966ca30c8e2d92f518c77808..1ddf927ed1343803cabf3bb617eefd5e8fb6e15b 100644
--- a/app/views/admin/application_settings/_eks.html.haml
+++ b/app/views/admin/application_settings/_eks.html.haml
@@ -33,4 +33,4 @@
           .form-text.text-muted
             = _('AWS Secret Access Key. Only required if not using role instance credentials')
 
-      = f.submit 'Save changes', class: "gl-button btn btn-success"
+      = f.submit 'Save changes', class: "gl-button btn btn-confirm"
diff --git a/app/views/admin/application_settings/_email.html.haml b/app/views/admin/application_settings/_email.html.haml
index 9eb00b5a61b5fd1edaed7cedef90c72b2b6d0296..b22aaabe41a271896c73d0606d68a4464256f650 100644
--- a/app/views/admin/application_settings/_email.html.haml
+++ b/app/views/admin/application_settings/_email.html.haml
@@ -33,4 +33,4 @@
         .form-text.text-muted
           = _('By default, GitLab sends emails to help guide users through the onboarding process.')
 
-  = f.submit _('Save changes'), class: "gl-button btn btn-success", data: { qa_selector: 'save_changes_button' }
+  = f.submit _('Save changes'), class: "gl-button btn btn-confirm", data: { qa_selector: 'save_changes_button' }
diff --git a/app/views/admin/application_settings/_external_authorization_service_form.html.haml b/app/views/admin/application_settings/_external_authorization_service_form.html.haml
index 07256c9f4fe451546648841d70cdef33fc190da8..97e09476e78a0a68f2150d35b4e7b0fef6cc41ca 100644
--- a/app/views/admin/application_settings/_external_authorization_service_form.html.haml
+++ b/app/views/admin/application_settings/_external_authorization_service_form.html.haml
@@ -47,4 +47,4 @@
         .form-group
           = f.label :external_authorization_service_default_label, _('Default classification label'), class: 'label-bold'
           = f.text_field :external_authorization_service_default_label, class: 'form-control gl-form-input'
-      = f.submit 'Save changes', class: "gl-button btn btn-success"
+      = f.submit 'Save changes', class: "gl-button btn btn-confirm"
diff --git a/app/views/admin/application_settings/_gitaly.html.haml b/app/views/admin/application_settings/_gitaly.html.haml
index 56ec35d9329de7ed771f2472f7423713270fc1e4..72e7cb0b437cbd0501ddb30434c615da6613cdc2 100644
--- a/app/views/admin/application_settings/_gitaly.html.haml
+++ b/app/views/admin/application_settings/_gitaly.html.haml
@@ -24,4 +24,4 @@
       .form-text.text-muted
         Medium operation timeout (in seconds). This should be a value between the Fast and the Default timeout.
 
-  = f.submit 'Save changes', class: "gl-button btn btn-success"
+  = f.submit 'Save changes', class: "gl-button btn btn-confirm"
diff --git a/app/views/admin/application_settings/_gitpod.html.haml b/app/views/admin/application_settings/_gitpod.html.haml
index cca81136bb924ccf9cb8a91c2c60920ebfcb6550..531ddcdb86f570e36f7b0be27e6630154f7b8f53 100644
--- a/app/views/admin/application_settings/_gitpod.html.haml
+++ b/app/views/admin/application_settings/_gitpod.html.haml
@@ -25,4 +25,4 @@
           = f.text_field :gitpod_url, class: 'form-control gl-form-input', placeholder: s_('Gitpod|e.g. https://gitpod.example.com')
           .form-text.text-muted
             = s_('Gitpod|Add the URL to your Gitpod instance configured to read your GitLab projects.')
-      = f.submit s_('Save changes'), class: 'gl-button btn btn-success'
+      = f.submit s_('Save changes'), class: 'gl-button btn btn-confirm'
diff --git a/app/views/admin/application_settings/_grafana.html.haml b/app/views/admin/application_settings/_grafana.html.haml
index 368b4db454993ad2adbe4ebaa1b6583f5d31cfcb..fd9e7ee50c4bfa18fd8953e2c4dad82ef9766afa 100644
--- a/app/views/admin/application_settings/_grafana.html.haml
+++ b/app/views/admin/application_settings/_grafana.html.haml
@@ -14,4 +14,4 @@
       = f.label :grafana_url, _('Grafana URL'), class: 'label-bold'
       = f.text_field :grafana_url, class: 'form-control gl-form-input', placeholder: '/-/grafana'
 
-  = f.submit _('Save changes'), class: "gl-button btn btn-success"
+  = f.submit _('Save changes'), class: "gl-button btn btn-confirm"
diff --git a/app/views/admin/application_settings/_help_page.html.haml b/app/views/admin/application_settings/_help_page.html.haml
index 858df44bd98a1822631467e2ea1e893f495038e6..e7816f5a1c08ebf620ce28867a3fb8420feda10c 100644
--- a/app/views/admin/application_settings/_help_page.html.haml
+++ b/app/views/admin/application_settings/_help_page.html.haml
@@ -23,4 +23,4 @@
         = f.label :help_page_documentation_base_url, _('Documentation pages URL'), class: 'label-bold'
         = f.text_field :help_page_documentation_base_url, class: 'form-control gl-form-input', placeholder: 'https://docs.gitlab.com'
 
-  = f.submit _('Save changes'), class: "gl-button btn btn-success"
+  = f.submit _('Save changes'), class: "gl-button btn btn-confirm"
diff --git a/app/views/admin/application_settings/_import_export_limits.html.haml b/app/views/admin/application_settings/_import_export_limits.html.haml
index e1a58c888a5652216182659d6643c9f081fd5ecd..820c11279d545098806495265660f1bfa4dd3be7 100644
--- a/app/views/admin/application_settings/_import_export_limits.html.haml
+++ b/app/views/admin/application_settings/_import_export_limits.html.haml
@@ -31,4 +31,4 @@
       = f.label :group_download_export_limit, _('Max Group Export Download requests per minute per user'), class: 'label-bold'
       = f.number_field :group_download_export_limit, class: 'form-control gl-form-input'
 
-  = f.submit 'Save changes', class: "gl-button btn btn-success", data: { qa_selector: 'save_changes_button' }
+  = f.submit 'Save changes', class: "gl-button btn btn-confirm", data: { qa_selector: 'save_changes_button' }
diff --git a/app/views/admin/application_settings/_initial_branch_name.html.haml b/app/views/admin/application_settings/_initial_branch_name.html.haml
index e7718f94b90f4ed67a42e9fbfbd6bca113add654..b5c178641dfb4e1b9b44a2f2b41a50bab3dc6b26 100644
--- a/app/views/admin/application_settings/_initial_branch_name.html.haml
+++ b/app/views/admin/application_settings/_initial_branch_name.html.haml
@@ -10,4 +10,4 @@
       %span.form-text.text-muted
         = (_("Changes affect new repositories only. If not specified, Git's default name %{branch_name_default} will be used.") % { branch_name_default: fallback_branch_name } ).html_safe
 
-  = f.submit _('Save changes'), class: 'gl-button btn-success'
+  = f.submit _('Save changes'), class: 'gl-button btn-confirm'
diff --git a/app/views/admin/application_settings/_ip_limits.html.haml b/app/views/admin/application_settings/_ip_limits.html.haml
index a603eaec913cf0ee2c78e63147cc64b61f4290aa..18d71a90e34b61456ac54770565879ce8dc42528 100644
--- a/app/views/admin/application_settings/_ip_limits.html.haml
+++ b/app/views/admin/application_settings/_ip_limits.html.haml
@@ -57,4 +57,4 @@
         = _('A plain-text response to show to clients that hit the rate limit.')
       = f.text_area :rate_limiting_response_text, placeholder: ::Gitlab::Throttle::DEFAULT_RATE_LIMITING_RESPONSE_TEXT, class: 'form-control gl-form-input', rows: 5
 
-  = f.submit 'Save changes', class: "gl-button btn btn-success", data: { qa_selector: 'save_changes_button' }
+  = f.submit 'Save changes', class: "gl-button btn btn-confirm", data: { qa_selector: 'save_changes_button' }
diff --git a/app/views/admin/application_settings/_issue_limits.html.haml b/app/views/admin/application_settings/_issue_limits.html.haml
index e16561b448942146e4e657aa3f8a80700ab5d9ae..0e1ba8c9c88d7e565ab3e7ebc1478e41f04a5889 100644
--- a/app/views/admin/application_settings/_issue_limits.html.haml
+++ b/app/views/admin/application_settings/_issue_limits.html.haml
@@ -6,4 +6,4 @@
       = f.label :issues_create_limit, 'Max requests per minute per user', class: 'label-bold'
       = f.number_field :issues_create_limit, class: 'form-control gl-form-input'
 
-  = f.submit 'Save changes', class: "gl-button btn btn-success", data: { qa_selector: 'save_changes_button' }
+  = f.submit 'Save changes', class: "gl-button btn btn-confirm", data: { qa_selector: 'save_changes_button' }
diff --git a/app/views/admin/application_settings/_kroki.html.haml b/app/views/admin/application_settings/_kroki.html.haml
index cd57d4cca6570d88e369749cd38204e22560f0df..fc51942ed1ff911cb29f867afff955cc0e4ab20a 100644
--- a/app/views/admin/application_settings/_kroki.html.haml
+++ b/app/views/admin/application_settings/_kroki.html.haml
@@ -30,4 +30,4 @@
               = f.check_box format[:name], class: 'form-check-input'
               = f.label format[:name], format[:label], class: 'form-check-label'
 
-      = f.submit _('Save changes'), class: "btn gl-button btn-success"
+      = f.submit _('Save changes'), class: "btn gl-button btn-confirm"
diff --git a/app/views/admin/application_settings/_localization.html.haml b/app/views/admin/application_settings/_localization.html.haml
index 5ad7080b22bcad333f42301cd3742261de92fbc3..fdb91937ec3fa4e9834226202b814618e6e40766 100644
--- a/app/views/admin/application_settings/_localization.html.haml
+++ b/app/views/admin/application_settings/_localization.html.haml
@@ -15,4 +15,4 @@
         = f.label :time_tracking_limit_to_hours, class: 'form-check-label' do
           = _('Limit display of time tracking units to hours.')
 
-  = f.submit _('Save changes'), class: "gl-button btn btn-success"
+  = f.submit _('Save changes'), class: "gl-button btn btn-confirm"
diff --git a/app/views/admin/application_settings/_note_limits.html.haml b/app/views/admin/application_settings/_note_limits.html.haml
index 9578da901700dedfc3f1261d743b12877673f3ac..d50b3395d8f421d0a9aa14276223e0343069f90a 100644
--- a/app/views/admin/application_settings/_note_limits.html.haml
+++ b/app/views/admin/application_settings/_note_limits.html.haml
@@ -9,4 +9,4 @@
       = f.label :notes_create_limit_allowlist, _('List of users to be excluded from the limit'), class: 'label-bold'
       = f.text_area :notes_create_limit_allowlist_raw, placeholder: 'username1, username2', class: 'form-control gl-form-input', rows: 5
 
-  = f.submit _('Save changes'), class: "gl-button btn btn-success", data: { qa_selector: 'save_changes_button' }
+  = f.submit _('Save changes'), class: "gl-button btn btn-confirm", data: { qa_selector: 'save_changes_button' }
diff --git a/app/views/admin/application_settings/_outbound.html.haml b/app/views/admin/application_settings/_outbound.html.haml
index 694cc9deab6c65a4c5e12463e6ad7e971bf65021..d8d105293a1b6a6d497e054905547969a96dc55c 100644
--- a/app/views/admin/application_settings/_outbound.html.haml
+++ b/app/views/admin/application_settings/_outbound.html.haml
@@ -27,4 +27,4 @@
         %span.form-text.text-muted
           = _('Resolves IP addresses once and uses them to submit requests')
 
-  = f.submit 'Save changes', class: "gl-button btn btn-success", data: { qa_selector: 'save_changes_button' }
+  = f.submit 'Save changes', class: "gl-button btn btn-confirm", data: { qa_selector: 'save_changes_button' }
diff --git a/app/views/admin/application_settings/_package_registry.html.haml b/app/views/admin/application_settings/_package_registry.html.haml
index 19801a3e01c7de50b5c5372c22a786a9393b445c..0ca8493c5966f70ed4796034c785ce6a11d4e67c 100644
--- a/app/views/admin/application_settings/_package_registry.html.haml
+++ b/app/views/admin/application_settings/_package_registry.html.haml
@@ -47,4 +47,4 @@
                   .form-group
                     = f.label :generic_packages_max_file_size, _('Generic package file size in bytes'), class: 'label-bold'
                     = f.number_field :generic_packages_max_file_size, class: 'form-control gl-form-input'
-                  = f.submit _('Save %{name} size limits').html_safe % { name: plan.name.capitalize }, class: 'btn gl-button btn-success'
+                  = f.submit _('Save %{name} size limits').html_safe % { name: plan.name.capitalize }, class: 'btn gl-button btn-confirm'
diff --git a/app/views/admin/application_settings/_pages.html.haml b/app/views/admin/application_settings/_pages.html.haml
index 503aae861d046efda9516d226c16bf3b5d9b69af..8f52e8b8461fc1802eb846753a2a02e1d6c6f8a7 100644
--- a/app/views/admin/application_settings/_pages.html.haml
+++ b/app/views/admin/application_settings/_pages.html.haml
@@ -41,4 +41,4 @@
           - terms_of_service_link_start = '<a href="%{url}" target="_blank" rel="noopener noreferrer">'.html_safe % { url: lets_encrypt_terms_of_service_admin_application_settings_path }
           = _("I have read and agree to the Let's Encrypt %{link_start}Terms of Service%{link_end} (PDF)").html_safe % { link_start: terms_of_service_link_start, link_end: '</a>'.html_safe }
 
-  = f.submit _('Save changes'), class: "gl-button btn btn-success"
+  = f.submit _('Save changes'), class: "gl-button btn btn-confirm"
diff --git a/app/views/admin/application_settings/_performance.html.haml b/app/views/admin/application_settings/_performance.html.haml
index 3efe163de7bd5c371e9489533352b8997bd2e581..5ee68e8fd164cce0a115b75452962f68a6b5699a 100644
--- a/app/views/admin/application_settings/_performance.html.haml
+++ b/app/views/admin/application_settings/_performance.html.haml
@@ -31,4 +31,4 @@
       .form-text.text-muted
         = _('Number of changes (branches or tags) in a single push to determine whether individual push events or bulk push event will be created. Bulk push event will be created if it surpasses that value.')
 
-  = f.submit 'Save changes', class: "gl-button btn btn-success"
+  = f.submit 'Save changes', class: "gl-button btn btn-confirm"
diff --git a/app/views/admin/application_settings/_performance_bar.html.haml b/app/views/admin/application_settings/_performance_bar.html.haml
index 2db2255259666d92f95f6b2277f7b159e6860243..21345e4d80ed8b67967e88a7b95206e554eb9cca 100644
--- a/app/views/admin/application_settings/_performance_bar.html.haml
+++ b/app/views/admin/application_settings/_performance_bar.html.haml
@@ -11,4 +11,4 @@
       = f.label :performance_bar_allowed_group_path, 'Allowed group', class: 'label-bold'
       = f.text_field :performance_bar_allowed_group_path, class: 'form-control gl-form-input', placeholder: 'my-org/my-group', value: @application_setting.performance_bar_allowed_group&.full_path
 
-  = f.submit 'Save changes', class: 'gl-button btn btn-success qa-save-changes-button'
+  = f.submit 'Save changes', class: 'gl-button btn btn-confirm qa-save-changes-button'
diff --git a/app/views/admin/application_settings/_plantuml.html.haml b/app/views/admin/application_settings/_plantuml.html.haml
index 93fcc90f044f244a79a6142af129ba54c7752d2b..e6e9bbf3ee07424ff440ba8c08195b337462012a 100644
--- a/app/views/admin/application_settings/_plantuml.html.haml
+++ b/app/views/admin/application_settings/_plantuml.html.haml
@@ -24,4 +24,4 @@
             = link_to "PlantUML", "http://plantuml.com"
             diagrams in Asciidoc documents using an external PlantUML service.
 
-      = f.submit _('Save changes'), class: "gl-button btn btn-success"
+      = f.submit _('Save changes'), class: "gl-button btn btn-confirm"
diff --git a/app/views/admin/application_settings/_prometheus.html.haml b/app/views/admin/application_settings/_prometheus.html.haml
index c394bc650462edf1e7be21fedba3772b4430677b..468c1786d6f3f550c2ded982b9dbc81081eba112 100644
--- a/app/views/admin/application_settings/_prometheus.html.haml
+++ b/app/views/admin/application_settings/_prometheus.html.haml
@@ -30,4 +30,4 @@
         A method call is only tracked when it takes longer to complete than
         the given amount of milliseconds.
 
-  = f.submit 'Save changes', class: "gl-button btn btn-success"
+  = f.submit 'Save changes', class: "gl-button btn btn-confirm"
diff --git a/app/views/admin/application_settings/_protected_paths.html.haml b/app/views/admin/application_settings/_protected_paths.html.haml
index 57bba4f970aa58040a9915dd5f882a28cbed71af..faa675f211d52dc4b98a33891d2aa6f0edcaf878 100644
--- a/app/views/admin/application_settings/_protected_paths.html.haml
+++ b/app/views/admin/application_settings/_protected_paths.html.haml
@@ -28,4 +28,4 @@
         = _('All paths are relative to the GitLab URL. Do not include %{relative_url_link_start}relative URL%{relative_url_link_end}.').html_safe % { relative_url_link_start: relative_url_link_start, relative_url_link_end: '</a>'.html_safe }
       = f.text_area :protected_paths_raw, placeholder: '/users/sign_in,/users/password', class: 'form-control gl-form-input', rows: 10
 
-  = f.submit 'Save changes', class: 'gl-button btn btn-success'
+  = f.submit 'Save changes', class: 'gl-button btn btn-confirm'
diff --git a/app/views/admin/application_settings/_realtime.html.haml b/app/views/admin/application_settings/_realtime.html.haml
index 2b54a15d615ef0194422adbbda6df899179d2ebb..bee120d2f7852de5a6c868438c086fdf51fecf29 100644
--- a/app/views/admin/application_settings/_realtime.html.haml
+++ b/app/views/admin/application_settings/_realtime.html.haml
@@ -14,4 +14,4 @@
         installations. Set to 0 to completely disable polling.
         = link_to sprite_icon('question-o'), help_page_path('administration/polling')
 
-  = f.submit 'Save changes', class: "gl-button btn btn-success"
+  = f.submit 'Save changes', class: "gl-button btn btn-confirm"
diff --git a/app/views/admin/application_settings/_registry.html.haml b/app/views/admin/application_settings/_registry.html.haml
index 5fb5effaa556bd329a2f3a3c89abc5cc1f75fa54..fc03a6dd10ceea5443b28bfb0d5a09a1b23fe14b 100644
--- a/app/views/admin/application_settings/_registry.html.haml
+++ b/app/views/admin/application_settings/_registry.html.haml
@@ -31,4 +31,4 @@
         .form-text.text-muted
           = _("The maximum number of tags that a single worker accepts for cleanup. If the number of tags goes above this limit, the list of tags to delete is truncated to this number. To remove this limit, set it to 0.")
 
-  = f.submit 'Save changes', class: "gl-button btn btn-success"
+  = f.submit 'Save changes', class: "gl-button btn btn-confirm"
diff --git a/app/views/admin/application_settings/_repository_check.html.haml b/app/views/admin/application_settings/_repository_check.html.haml
index 24e74dd0f1b14e011f31cb93f04c3f95561c347c..ee0281b6e3343a384d4e1cc82fd8d0f277b09385 100644
--- a/app/views/admin/application_settings/_repository_check.html.haml
+++ b/app/views/admin/application_settings/_repository_check.html.haml
@@ -55,4 +55,4 @@
         .form-text.text-muted
           Number of Git pushes after which 'git gc' is run.
 
-  = f.submit _('Save changes'), class: "gl-button btn btn-success"
+  = f.submit _('Save changes'), class: "gl-button btn btn-confirm"
diff --git a/app/views/admin/application_settings/_repository_mirrors_form.html.haml b/app/views/admin/application_settings/_repository_mirrors_form.html.haml
index 125fa48bbc3c48e40b16950e39bc3c2e7e92280e..a0076a2f75d7789842167b811591797c075ca814 100644
--- a/app/views/admin/application_settings/_repository_mirrors_form.html.haml
+++ b/app/views/admin/application_settings/_repository_mirrors_form.html.haml
@@ -14,4 +14,4 @@
 
     = render_if_exists 'admin/application_settings/mirror_settings', form: f
 
-  = f.submit _('Save changes'), class: "gl-button btn btn-success"
+  = f.submit _('Save changes'), class: "gl-button btn btn-confirm"
diff --git a/app/views/admin/application_settings/_repository_static_objects.html.haml b/app/views/admin/application_settings/_repository_static_objects.html.haml
index 42fe2b24bb22a347f586f2537ff7ee8aa851f7f3..f8ec04003fa540129772a7f9dbcec8c9130e1b5d 100644
--- a/app/views/admin/application_settings/_repository_static_objects.html.haml
+++ b/app/views/admin/application_settings/_repository_static_objects.html.haml
@@ -15,4 +15,4 @@
       %span.form-text.text-muted#static_objects_external_storage_auth_token_help_block
         = _('A secure token that identifies an external storage request.')
 
-  = f.submit _('Save changes'), class: "gl-button btn btn-success"
+  = f.submit _('Save changes'), class: "gl-button btn btn-confirm"
diff --git a/app/views/admin/application_settings/_repository_storage.html.haml b/app/views/admin/application_settings/_repository_storage.html.haml
index 0862d1bf0b6e8b438f194024f7b64bd420c76a01..68dfe35300bcc1da0805431d818abb6398716198 100644
--- a/app/views/admin/application_settings/_repository_storage.html.haml
+++ b/app/views/admin/application_settings/_repository_storage.html.haml
@@ -22,4 +22,4 @@
             = f.text_field attribute[:name], class: 'form-text-input', value: attribute[:value]
             = f.label attribute[:label], attribute[:label], class: 'label-bold form-check-label'
             %br
-  = f.submit _('Save changes'), class: "gl-button btn btn-success qa-save-changes-button"
+  = f.submit _('Save changes'), class: "gl-button btn btn-confirm"
diff --git a/app/views/admin/application_settings/_signin.html.haml b/app/views/admin/application_settings/_signin.html.haml
index 23a7856e4832f8132f82cbd5454433377b7fc67c..c6f7266defea8832b67dd4c5258ccd747a096261 100644
--- a/app/views/admin/application_settings/_signin.html.haml
+++ b/app/views/admin/application_settings/_signin.html.haml
@@ -57,4 +57,4 @@
       = f.label :sign_in_text, _('Sign-in text'), class: 'label-bold'
       = f.text_area :sign_in_text, class: 'form-control gl-form-input', rows: 4
       .form-text.text-muted Markdown enabled
-  = f.submit 'Save changes', class: "gl-button btn btn-success"
+  = f.submit 'Save changes', class: "gl-button btn btn-confirm"
diff --git a/app/views/admin/application_settings/_signup.html.haml b/app/views/admin/application_settings/_signup.html.haml
index 82824f1d43616f91c0d002f56cf1b86eb0a6c165..272eba67b1bf0ef8f7398978c6480043c409af18 100644
--- a/app/views/admin/application_settings/_signup.html.haml
+++ b/app/views/admin/application_settings/_signup.html.haml
@@ -77,4 +77,4 @@
       = f.label :after_sign_up_text, class: 'label-bold'
       = f.text_area :after_sign_up_text, class: 'form-control gl-form-input', rows: 4
       .form-text.text-muted Markdown enabled
-  = f.submit 'Save changes', class: "gl-button btn btn-success", data: { qa_selector: 'save_changes_button' }
+  = f.submit 'Save changes', class: "gl-button btn btn-confirm", data: { qa_selector: 'save_changes_button' }
diff --git a/app/views/admin/application_settings/_snowplow.html.haml b/app/views/admin/application_settings/_snowplow.html.haml
index 5f5a3a6992c60127f507d490f59dd045f09839d3..e6ac2a4db3477ce0b5a565bdcc17290d898fb0c8 100644
--- a/app/views/admin/application_settings/_snowplow.html.haml
+++ b/app/views/admin/application_settings/_snowplow.html.haml
@@ -26,4 +26,4 @@
           = f.label :snowplow_cookie_domain, _('Cookie domain'), class: 'label-light'
           = f.text_field :snowplow_cookie_domain, class: 'form-control gl-form-input'
 
-      = f.submit _('Save changes'), class: 'gl-button btn btn-success'
+      = f.submit _('Save changes'), class: 'gl-button btn btn-confirm'
diff --git a/app/views/admin/application_settings/_sourcegraph.html.haml b/app/views/admin/application_settings/_sourcegraph.html.haml
index 0ad34e6ad7e70b0bd37a4db5e0ba41c4162535fa..af25577f05847f123386b463ad9e8419cdd00f39 100644
--- a/app/views/admin/application_settings/_sourcegraph.html.haml
+++ b/app/views/admin/application_settings/_sourcegraph.html.haml
@@ -35,4 +35,4 @@
           = f.text_field :sourcegraph_url, class: 'form-control gl-form-input', placeholder: s_('SourcegraphAdmin|e.g. https://sourcegraph.example.com')
           .form-text.text-muted
             = s_('SourcegraphAdmin|Configure the URL to a Sourcegraph instance which can read your GitLab projects.')
-      = f.submit s_('SourcegraphAdmin|Save changes'), class: 'gl-button btn btn-success'
+      = f.submit s_('SourcegraphAdmin|Save changes'), class: 'gl-button btn btn-confirm'
diff --git a/app/views/admin/application_settings/_spam.html.haml b/app/views/admin/application_settings/_spam.html.haml
index 6085cea4f5d637c8f1a856afa9edc3f5a33626cf..2086fbc9d32b685515e0c7223c49d980717d6267 100644
--- a/app/views/admin/application_settings/_spam.html.haml
+++ b/app/views/admin/application_settings/_spam.html.haml
@@ -79,4 +79,4 @@
       = f.label :spam_check_endpoint_url, _('URL of the external Spam Check endpoint'), class: 'label-bold'
       = f.text_field :spam_check_endpoint_url, class: 'form-control gl-form-input'
 
-  = f.submit 'Save changes', class: "gl-button btn btn-success"
+  = f.submit 'Save changes', class: "gl-button btn btn-confirm"
diff --git a/app/views/admin/application_settings/_terminal.html.haml b/app/views/admin/application_settings/_terminal.html.haml
index 8f89cf27291ffe30ef40be1006cd1477fe36c49e..487ce25a4da9ce32d232b84ac0eb3231dff33b3d 100644
--- a/app/views/admin/application_settings/_terminal.html.haml
+++ b/app/views/admin/application_settings/_terminal.html.haml
@@ -8,4 +8,4 @@
       .form-text.text-muted
         Maximum time for web terminal websocket connection (in seconds).
         0 for unlimited.
-  = f.submit 'Save changes', class: "gl-button btn btn-success"
+  = f.submit 'Save changes', class: "gl-button btn btn-confirm"
diff --git a/app/views/admin/application_settings/_terms.html.haml b/app/views/admin/application_settings/_terms.html.haml
index 717b22203368db2943b3a01f3a2515a0189159d2..8cc4169b3831948c860411ce2818318aa8f6ecdc 100644
--- a/app/views/admin/application_settings/_terms.html.haml
+++ b/app/views/admin/application_settings/_terms.html.haml
@@ -15,4 +15,4 @@
       = f.text_area :terms, class: 'form-control gl-form-input', rows: 8
       .form-text.text-muted
         = _("Markdown enabled")
-  = f.submit _("Save changes"), class: "gl-button btn btn-success"
+  = f.submit _("Save changes"), class: "gl-button btn btn-confirm"
diff --git a/app/views/admin/application_settings/_third_party_offers.html.haml b/app/views/admin/application_settings/_third_party_offers.html.haml
index 32023b119934fe998afc982688df19e9832d70e9..970c9c6b0032fb357c11274fa56e0236824c0dcb 100644
--- a/app/views/admin/application_settings/_third_party_offers.html.haml
+++ b/app/views/admin/application_settings/_third_party_offers.html.haml
@@ -17,4 +17,4 @@
             = f.check_box :hide_third_party_offers, class: 'form-check-input'
             = f.label :hide_third_party_offers, _('Do not display offers from third parties within GitLab'), class: 'form-check-label'
 
-      = f.submit _('Save changes'), class: "gl-button btn btn-success"
+      = f.submit _('Save changes'), class: "gl-button btn btn-confirm"
diff --git a/app/views/admin/application_settings/_usage.html.haml b/app/views/admin/application_settings/_usage.html.haml
index 6abb7abf4a9dbf6b27c072b528852f0ce7821838..00306e1ba06d1593d8fcc8142f23b5020b3bd1e3 100644
--- a/app/views/admin/application_settings/_usage.html.haml
+++ b/app/views/admin/application_settings/_usage.html.haml
@@ -37,4 +37,4 @@
             - deactivating_usage_ping_link_start = '<a href="%{url}" target="_blank" rel="noopener noreferrer">'.html_safe % { url: deactivating_usage_ping_path }
             = s_('For more information, see the documentation on %{deactivating_usage_ping_link_start}deactivating the usage ping%{deactivating_usage_ping_link_end}.').html_safe % { deactivating_usage_ping_link_start: deactivating_usage_ping_link_start, deactivating_usage_ping_link_end: '</a>'.html_safe }
 
-  = f.submit 'Save changes', class: "gl-button btn btn-success"
+  = f.submit 'Save changes', class: "gl-button btn btn-confirm"
diff --git a/app/views/admin/application_settings/_visibility_and_access.html.haml b/app/views/admin/application_settings/_visibility_and_access.html.haml
index 0931ba50aa7b48ca501451a09c6dfec2598feb02..e51a41d525445ec2420d34f15f562add40dc09d0 100644
--- a/app/views/admin/application_settings/_visibility_and_access.html.haml
+++ b/app/views/admin/application_settings/_visibility_and_access.html.haml
@@ -74,4 +74,4 @@
         = f.label :disable_feed_token, class: 'form-check-label' do
           = s_('AdminSettings|Disable feed token')
 
-  = f.submit _('Save changes'), class: "gl-button btn btn-success"
+  = f.submit _('Save changes'), class: "gl-button btn btn-confirm"
diff --git a/app/views/admin/application_settings/general.html.haml b/app/views/admin/application_settings/general.html.haml
index ee045f1c90472ba4551e22290ff6e09c534291fb..3a14b4fbc7b0f1575e17a384cdbbd78788036fd9 100644
--- a/app/views/admin/application_settings/general.html.haml
+++ b/app/views/admin/application_settings/general.html.haml
@@ -101,7 +101,7 @@
               = s_('IDE|Live Preview')
             %span.form-text.text-muted
               = s_('IDE|Allow live previews of JavaScript projects in the Web IDE using CodeSandbox Live Preview.')
-      = f.submit _('Save changes'), class: "gl-button btn btn-success"
+      = f.submit _('Save changes'), class: "gl-button btn btn-confirm"
 
 = render_if_exists 'admin/application_settings/maintenance_mode_settings_form'
 = render 'admin/application_settings/gitpod'
diff --git a/changelogs/unreleased/btn-confirm-admin-application-settings.yml b/changelogs/unreleased/btn-confirm-admin-application-settings.yml
new file mode 100644
index 0000000000000000000000000000000000000000..d76e20b410aeb6431d3e80037fa798d6a023672a
--- /dev/null
+++ b/changelogs/unreleased/btn-confirm-admin-application-settings.yml
@@ -0,0 +1,5 @@
+---
+title: Move to btn-confirm from btn-success in admin application_settings directory
+merge_request: 55263
+author: Yogi (@yo)
+type: changed