Bootstrap

link - https://getbootstrap.com/ 

<kbd>keyboard shortcut</kbd>
<em>italics</em>
<strong>bold</strong>

XS = d-sm-none
SM MD LG = d-none d-sm-block

XS SM = d-md-none
MD LG = d-none d-md-block

XS SM MD = d-lg-none
LG = d-none d-lg-block

Only SM - d-none d-sm-block d-md-none

Only MD - d-none d-md-block d-lg-none

XS SM = d-none
MD = d-md-block
LG = d-lg-none