Answers for "how to always center a div in bootstarap"

php artisan make:auth Command "make:auth" is not defined.

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

Command "make:auth" is not defined

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

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>