Answers for "bootstrap flex align comumns"

What debian version do i use

lsb_release -a 
#this shows all info about your distro.

check debian version

$ lsb_release -a

bootstrap col center content

<div class="row">
    <div class="col-4 d-flex justify-content-center text-center">
        // for image and text
    </div>
</div>

bootstrap display flex

<div class="d-flex">I'm a flexbox container!</div>