class hidden
<div class="d-none">hide on all screens</div>
<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>
Hidden on all - .d-none
Hidden only on xs - .d-none .d-sm-block
Hidden only on sm - .d-sm-none .d-md-block
Hidden only on md - .d-md-none .d-lg-block
Hidden only on lg - .d-lg-none .d-xl-block
Hidden only on xl - .d-xl-none
Visible on all - .d-block
Visible only on xs - .d-block .d-sm-none
Visible only on sm - .d-none .d-sm-block .d-md-none
Visible only on md - .d-none .d-md-block .d-lg-none
Visible only on lg - .d-none .d-lg-block .d-xl-none
Visible only on xl - .d-none .d-xl-block