<div class="pr-0 bg-primary d-inline-block">Padded Div</div>
<div class="pr-1 bg-primary d-inline-block">Padded Div</div>
<div class="pr-2 bg-primary d-inline-block">Padded Div</div>
<div class="pr-3 bg-primary d-inline-block">Padded Div</div>
<div class="pr-4 bg-primary d-inline-block">Padded Div</div>
<div class="pr-5 bg-primary d-inline-block">Padded Div</div>
<!-- respsonsive viariations -->
<div class="pr-sm-5 d-inline-block bg-primary">Padded Div</div>
<div class="pr-md-5 d-inline-block bg-primary">Padded Div</div>
<div class="pr-lg-5 d-inline-block bg-primary">Padded Div</div>
<div class="pr-xl-5 d-inline-block bg-primary">Padded Div</div>
You don't need to remember all CSS classes. Just use the Bootstrap Editor instead.