how to divide bootstrap columns into 2 rows w3schools code example

Example 1: bootstrap grids examples

<div class="container">
  <div class="row">
    <div class="col-md-8">.col-md-8</div>
    <div class="col-md-4">.col-md-4</div>
  </div>
</div>

Example 2: bootstrap grid class

col-12 col-sm-4 col-md-3 col-lg-12	col-xl-12