<div class="mx-0 bg-primary d-inline-block">Spaced Div</div>
<div class="mx-1 bg-primary d-inline-block">Spaced Div</div>
<div class="mx-2 bg-primary d-inline-block">Spaced Div</div>
<div class="mx-3 bg-primary d-inline-block">Spaced Div</div>
<div class="mx-4 bg-primary d-inline-block">Spaced Div</div>
<div class="mx-5 bg-primary d-inline-block">Spaced Div</div>
<!-- respsonsive viariations -->
<div class="mx-sm-5 d-inline-block bg-primary">Spaced Div</div>
<div class="mx-md-5 d-inline-block bg-primary">Spaced Div</div>
<div class="mx-lg-5 d-inline-block bg-primary">Spaced Div</div>
<div class="mx-xl-5 d-inline-block bg-primary">Spaced Div</div>