display inline block bootstrap 4 code example

Example 1: bootstrap display inline block

<div class="d-inline-block"></div>

Example 2: bootstrap display block

<div class="d-block"></div>
d-block = for displaying

d-none  =  to hide

Example 3: is display-block a class

<span class="d-block p-2 bg-primary text-white">d-block</span>
<span class="d-block p-2 bg-dark text-white">d-block</span>