ipad in 3 rows responsive which device sm lg xl using bootstrap 4 code example

Example 1: bootstrap grid

<div class="container">
  <div class="row">
    <div class="col-sm">
      One of three columns
    </div>
    <div class="col-sm">
      One of three columns
    </div>
    <div class="col-sm">
      One of three columns
    </div>
  </div>
</div>

Example 2: col-md-6 bootstrap

<div class="col-lg-2 col-md-4 col-sm-3 "> Your Stuffs </div>

/*
col-lg  for large

col-md for med 

col-sm for small 

enjoy :) 
*/