sample code to use column and grid in bootstrap 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