Apply same html and css to the action buttons in environment show view table as…

app/views/projects/deployments/_actions.haml

 - if can?(current_user, :create_deployment, deployment)
   - actions = deployment.manual_actions
   - if actions.present?
-    .inline
+    .btn-group
       .dropdown
-        %a.dropdown-new.btn.btn-default{ type: 'button', 'data-toggle' => 'dropdown' }
+        %button.dropdown.dropdown-new.btn.btn-default{ type: 'button', 'data-toggle' => 'dropdown' }
           = custom_icon('icon_play')
           = icon('caret-down')
         %ul.dropdown-menu.dropdown-menu-align-right
@@ -12,4 +12,3 @@
               = link_to [:play, @project.namespace.becomes(Namespace), @project, action], method: :post, rel: 'nofollow' do
                 = custom_icon('icon_play')
                 %span= action.name.humanize
-

app/views/projects/deployments/_deployment.html.haml

@@ -17,6 +17,6 @@
     #{time_ago_with_tooltip(deployment.created_at)}
 
   %td.hidden-xs
-    .pull-right
+    .pull-right.btn-group
       = render 'projects/deployments/actions', deployment: deployment
       = render 'projects/deployments/rollback', deployment: deployment

app/views/projects/environments/show.html.haml

@@ -16,7 +16,7 @@
         - if can?(current_user, :create_deployment, @environment) && @environment.can_stop?
           = link_to 'Stop', stop_namespace_project_environment_path(@project.namespace, @project, @environment), data: { confirm: 'Are you sure you want to stop this environment?' }, class: 'btn btn-danger', method: :post
 
-  .deployments-container
+  .environments-container
     - if @deployments.blank?
       .blank-state.blank-state-no-icon
         %h2.blank-state-title