Answers for "hide html element on small screen via bootstrap 4"

bootstrap hide only on mobile

<p class="d-none d-sm-block">Hidden only on mobile </p>

make element disappear on smaller screens in bootstrap

<div class="d-none d-md-block">
Something here
</div>

hide when small bootstrap

<div class="d-lg-none">hide on screens wider than lg</div>
<div class="d-none d-lg-block">hide on screens smaller than lg</div>