Remove padding around form-actions

app/assets/stylesheets/framework/forms.scss

@@ -22,9 +22,10 @@ input[type='text'].danger {
 }
 
 .form-actions {
-  padding: 17px 20px 18px;
-  margin-top: 18px;
-  margin-bottom: 18px;
+  margin: -$gl-padding;
+  margin-top: 0;
+  margin-bottom: -$gl-padding;
+  padding: $gl-padding;
   background-color: $background-color;
   border-top: 1px solid $border-color;
 }

app/views/profiles/notifications/show.html.haml

@@ -50,7 +50,7 @@
             Watch
           %p You will receive notifications for any activity
 
-  .form-actions
+  .gray-content-block
     = f.submit 'Save changes', class: "btn btn-create"
 
 .row.all-notifications.prepend-top-default

app/views/projects/releases/edit.html.haml

@@ -14,6 +14,6 @@
       = render 'projects/zen', f: f, attr: :description, classes: 'description js-quick-submit form-control'
       = render 'projects/notes/hints'
       .error-alert
-      .prepend-top-default
+      .form-actions.prepend-top-default
         = f.submit 'Save changes', class: 'btn btn-save'
         = link_to "Cancel", namespace_project_tag_path(@project.namespace, @project, @tag.name), class: "btn btn-default btn-cancel"

app/views/shared/issuable/_form.html.haml

@@ -93,7 +93,8 @@
         %p.help-block
         = link_to 'Change branches', mr_change_branches_path(@merge_request)
 
-.form-actions
+- is_footer = !(issuable.is_a?(MergeRequest) && issuable.new_record?)
+.gray-content-block{class: (is_footer ? "footer-block" : "middle-block")}
   - if !issuable.project.empty_repo? && (guide_url = contribution_guide_path(issuable.project)) && !issuable.persisted?
     %p
       Please review the