Add spacing around buttons on project page

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

app/views/projects/_home_panel.html.haml

@@ -29,10 +29,11 @@
             = link_to new_namespace_project_fork_path(@project.namespace, @project), title: "Fork project", class: 'btn' do
               = link_to_toggle_fork
       - elsif forked_from_project = @project.forked_from_project
-        = link_to project_path(forked_from_project), class: 'btn' do
-          = icon("code-fork fw")
-          Forked from
-          = forked_from_project.namespace.try(:name)
+        .inline.prepend-left-10
+          = link_to project_path(forked_from_project), class: 'btn' do
+            = icon("code-fork fw")
+            Forked from
+            = forked_from_project.namespace.try(:name)
       - if can? current_user, :download_code, @project
         .inline.prepend-left-10
           = link_to archive_namespace_project_repository_path(@project.namespace, @project, ref: @ref, format: 'zip'), class: 'btn', rel: 'nofollow' do