justify-self in bootstrap code example
Example 1: justify text bootstrap
<p class="text-justify"> your text for example : Hellow! World.. </p>
Example 2: bootstrap justify-content-center for md
<div class="row justify-content-md-center"></div>
<p class="text-justify"> your text for example : Hellow! World.. </p>
<div class="row justify-content-md-center"></div>