Update button styles in ee/app/views/groups/ directory

ee/app/views/groups/_custom_project_templates_setting.html.haml

@@ -5,7 +5,7 @@
   .settings-header
     %h4
       = s_('GroupSettings|Custom project templates')
-    %button.btn.js-settings-toggle{ type: 'button' }
+    %button.btn.gl-button.js-settings-toggle{ type: 'button' }
       = expanded ? _('Collapse') : _('Expand')
     %p
       = s_('GroupSettings|Select a sub-group as the custom project template source for this group.')
@@ -21,4 +21,4 @@
             = _('Custom project templates')
           = groups_select_tag('group[custom_project_templates_group_id]', data: { parent_id: @group.id }, selected: @group.custom_project_templates_group_id, class: 'input-clamp allowClear qa-custom-project-template-select', multiple: false)
 
-      = f.submit _('Save changes'), class: 'btn btn-success qa-save-changes-button'
+      = f.submit _('Save changes'), class: 'btn gl-button btn-success qa-save-changes-button'

ee/app/views/groups/_insights.html.haml

@@ -4,7 +4,7 @@
   .settings-header
     %h4
       = _('Insights')
-    %button.btn.js-settings-toggle{ type: 'button' }
+    %button.btn.gl-button.js-settings-toggle{ type: 'button' }
       = expanded ? _('Collapse') : _('Expand')
     %p
       = _('Select a project to read Insights configuration file')
@@ -23,4 +23,4 @@
                 = link_to sprite_icon('question-o'), help_page_path('user/group/index.md', anchor: 'insights'), target: '_blank'
             = project_select_tag('group[insight_attributes][project_id]', class: 'project-item-select hidden-filter-value', toggle_class: 'js-project-search js-project-filter js-filter-submit', dropdown_class: 'dropdown-menu-selectable dropdown-menu-project js-filter-submit',
               placeholder: _('Search projects'), idAttribute: 'id', data: { order_by: 'last_activity_at', idattribute: 'id', simple_filter: true, allow_clear: true, include_projects_in_subgroups: true }, value: insight.project_id)
-      = form.submit _('Save changes'), class: "btn btn-success"
+      = form.submit _('Save changes'), class: "btn gl-button btn-success"

ee/app/views/groups/_templates_setting.html.haml

@@ -4,7 +4,7 @@
   .settings-header
     %h4
       = _('Templates')
-    %button.btn.js-settings-toggle{ type: 'button' }
+    %button.btn.gl-button.js-settings-toggle{ type: 'button' }
       = expanded ? _('Collapse') : _('Expand')
     %p
       = _('Set a template repository for projects in this group')
@@ -20,4 +20,4 @@
               = link_to sprite_icon('question-o'), help_page_path('user/group/index.md', anchor: 'group-file-templates'), target: '_blank'
           = project_select_tag('group[file_template_project_id]', class: 'project-item-select hidden-filter-value qa-file-template-repository-dropdown', toggle_class: 'js-project-search js-project-filter js-filter-submit', dropdown_class: 'dropdown-menu-selectable dropdown-menu-project js-filter-submit',
             placeholder: _('Search projects'), idAttribute: 'id', data: { order_by: 'last_activity_at', idattribute: 'id', simple_filter: true, allow_clear: true }, value: @group.checked_file_template_project_id)
-      = f.submit _('Save changes'), class: "btn btn-success", data: { qa_selector: 'save_changes_button' }
+      = f.submit _('Save changes'), class: "btn gl-button btn-success", data: { qa_selector: 'save_changes_button' }