Answers for "how to add vertical center in bootstrap 4"

laravel 8 authentication tutorial

1. composer create-project laravel/laravel laravel8 8.0
2. composer require laravel/ui
3. php artisan ui vue --auth
4. npm install
5. npm run dev


Now our Laravel 8 auth system is ready to use. 
To check authentication is successfully installed or not. 
Please browse the links given below.To login check
example.com/login
To registration check
example.com/register

Disable Registration System
If you want to disable the new user registration system. 
Then go to the web.php route file and change the auth route.

Auth::routes(['register' => false]);

laravel make:auth

composer require laravel/ui
php artisan ui vue --auth
php artisan migrate

artisan make auth

composer require laravel/ui
php artisan ui vue --auth

auth laravel 7

set up auth laravel 7
-----------------
composer require laravel/ui:^2.4

php artisan ui vue --auth

laravel make auth

Laravel's laravel/ui package provides a quick way to scaffold all of the routes and views you need for authentication using a few simple commands:

composer require laravel/ui

php artisan ui vue --auth

laravel auth 6

composer require laravel/ui "^1.0" --dev

php artisan ui vue --auth

align eliment in center of row bootstrap

<div class="row justify-content-center">
  ...inner divs and content...
</div>

how to center vertically in bootstrap col

<div class="my-auto">
  ...inner divs and content...
</div>