Reuse existing CSS classes when exposing CI Lint tool

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

@@ -9,8 +9,7 @@
           = link_to 'Cancel running', cancel_all_namespace_project_builds_path(@project.namespace, @project),
             data: { confirm: 'Are you sure?' }, class: 'btn btn-danger', method: :post
 
-    .pull-left.hidden-xs.hidden-sm{ style: 'margin-left: 7px;' }
-      .dropdown
+        .dropdown.inline
           %button.btn.btn-default.dropdown-toggle{ type: 'button', id: 'tools-dropdown', 'data-toggle' => 'dropdown' }
             Tools
             %span.caret