Bootstrap CSS class .d-*-inline

<div class="d-inline bg-primary">d-inline</div>
<div class="d-sm-inline bg-primary">d-sm-inline</div>
<div class="d-md-inline bg-primary">d-md-inline</div>
<div class="d-lg-inline bg-primary">d-lg-inline</div>
<div class="d-xl-inline bg-primary">d-xl-inline</div>