boot strap tempate with 1 parent and 3 containers 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-6 bootstrap
.col-6{
flex: 0 0 50%;
max-width: 50%;
}