Bookmark action button, fix align footer

app/assets/stylesheets/application.scss

app/assets/stylesheets/application/learning_objects.scss

app/controllers/institutions_controller.rb

app/controllers/learning_objects_controller.rb

app/views/learning_objects/show.html.erb

app/views/management/carousels/_form.html.erb

app/views/management/complaint_reasons/_form.html.erb

app/views/management/mime_types/_form.html.erb

app/views/management/object_types/_form.html.erb

app/views/shared/application/_footer.html.erb

app/views/shared/application/_footer_home.html.erb