fix style code

app/assets/stylesheets/custom.scss

@@ -47,10 +47,10 @@ p {
   }
 }
 
-.navbar ul{
+.navbar ul {
   list-style: none;
   }
-  li a{
+  li a {
   color: #fff;
   font-size: 18px;
   font-weight: bold;

app/controllers/sessions_controller.rb

 class SessionsController < ApplicationController
   include SessionsHelper 
+  
   def new
   end
 

app/controllers/users_controller.rb

 class UsersController < ApplicationController
- 
   def show
     @user = User.find(params[:id])
   end
@@ -11,7 +10,7 @@ class UsersController < ApplicationController
   def create
     @user = User.new(user_params)
     if @user.save
-      log_in @user
+      helpers.log_in @user
       flash[:success] = "Welcome to the Sample App!"
       redirect_to @user
     # Handle a successful save.

test/integration/users_login_test.rb

@@ -6,16 +6,16 @@ class UsersLoginTest < ActionDispatch::IntegrationTest
   end
   
   test "login with valid email/invalid password" do
-      get login_path
-      assert_template 'sessions/new'
-      post login_path, params: { session: { email:
-      @user.email,
-      password: "invalid" } }
-      assert_not is_logged_in?
-      assert_template 'sessions/new'
-      assert_not flash.empty?
-      get root_path
-      assert flash.empty?
+    get login_path
+    assert_template 'sessions/new'
+    post login_path, params: { session: { email:
+    @user.email,
+    password: "invalid" } }
+    assert_not is_logged_in?
+    assert_template 'sessions/new'
+    assert_not flash.empty?
+    get root_path
+    assert flash.empty?
   end
   test "login with valid information followed by logout" do
     get login_path