how to repete background image with css in Laravel 5.2

I need repeat as background image gried.png image in welcome.blade.php in My app. I need create class selector file in css folder for this. this is My welcome.css file in public/css folder

.background-image{
background-image:transparent url("/imgs/grid.png");

background-repeat:repeat;
}

this is my welcomeblade.php file

<link rel="stylesheet" href="/css/welcome.css" /> 


            <div class="background-image">

            </div>

but this code did not generate any result how can I fix this?

via Chebli Mohamed