I have a question about grid on part of my page, what is better practice to do, in case where I have multiple xx-12 columns in proximity, where my question is not about alignment or breakpoints but of child-parent relations of rows and cols..
<div class="col-xx-12">
<div class="row">
<div class="col-xx-12">something</div>
<div class="col-xx-12">something</div>
<div class="col-xx-12">something</div>
</div>
</div>
or
<div class="col-xx-12">
<div class="row">
<div class="col-xx-12">something</div>
</div>
<div class="row>
<div class="col-xx-12">something</div>
</div>
<div class="row>
<div class="col-xx-12">something</div>
</div>
</div>
</div>