Apply GitLab UI button styles

Applies to buttons in app/views/projects/forks

app/views/projects/forks/_fork_button.html.haml

@@ -10,11 +10,11 @@
   %h5.gl-mt-3
     = namespace.human_name
   - if forked_project = namespace.find_fork_of(@project)
-    = link_to _("Go to project"), project_path(forked_project), class: "btn"
+    = link_to _("Go to project"), project_path(forked_project), class: "btn gl-button btn-default"
   - else
     %div{ class: ('has-tooltip' unless can_create_project),
       title: (_('You have reached your project limit') unless can_create_project) }
       = link_to _("Select"), project_forks_path(@project, namespace_key: namespace.id),
           data: { qa_selector: 'fork_namespace_button', qa_name: namespace.human_name },
           method: "POST",
-          class: ["btn btn-success", ("disabled" unless can_create_project)]
+          class: ["btn gl-button btn-success", ("disabled" unless can_create_project)]

app/views/projects/forks/index.html.haml

@@ -30,11 +30,11 @@
 
     - if current_user && can?(current_user, :fork_project, @project)
       - if current_user.already_forked?(@project) && current_user.manageable_namespaces.size < 2
-        = link_to namespace_project_path(current_user, current_user.fork_of(@project)), title: _('Go to your fork'), class: 'btn btn-success' do
+        = link_to namespace_project_path(current_user, current_user.fork_of(@project)), title: _('Go to your fork'), class: 'btn gl-button btn-success' do
           = sprite_icon('fork', size: 12)
           %span= _('Fork')
       - else
-        = link_to new_project_fork_path(@project), title: _("Fork project"), class: 'btn btn-success' do
+        = link_to new_project_fork_path(@project), title: _("Fork project"), class: 'btn gl-button btn-success' do
           = sprite_icon('fork', size: 12)
           %span= _('Fork')
 

changelogs/unreleased/gitlab_buttons_projects_forks.yml

+---
+title: Apply GitLab UI button styles to HAML buttons app/views/projects/forks
+merge_request: 43101
+author: Andrei Kyrnich @kyrnich
+type: other