Laravel Pagination is showing weird arrows

Here is official document that talk about it. You can check it

Inside AppServiceProvider

use Illuminate\Pagination\Paginator;

public function boot()
{
    Paginator::useBootstrap();
}

Doc: https://laravel.com/docs/8.x/pagination#using-bootstrap

Sample implementation: https://www.itsolutionstuff.com/index.php/post/laravel-8-pagination-example-tutorialexample.html