Add boostrap to confirmation instruction

app/views/devise/passwords/edit.html.erb

@@ -1,24 +1,22 @@
 <h2>Change your password</h2>
 
-<%= form_for(resource, as: resource_name, url: password_path(resource_name), html: { method: :put }) do |f| %>
+<%= bootstrap_form_for(resource, as: resource_name, url: password_path(resource_name), html: { method: :put }) do |f| %>
   <%= render "devise/shared/error_messages", resource: resource %>
   <%= f.hidden_field :reset_password_token %>
 
   <div class="field">
-    <%= f.label :password, "New password" %><br />
     <% if @minimum_password_length %>
       <em>(<%= @minimum_password_length %> characters minimum)</em><br />
     <% end %>
     <%= f.password_field :password, autofocus: true, autocomplete: "new-password" %>
   </div>
 
   <div class="field">
-    <%= f.label :password_confirmation, "Confirm new password" %><br />
     <%= f.password_field :password_confirmation, autocomplete: "new-password" %>
   </div>
 
   <div class="actions">
-    <%= f.submit "Change my password" %>
+    <%= f.submit "Change my password", class: "btn btn-success" %>
   </div>
 <% end %>