2
<div class="container">
<div class="row">
<div class="col-sm-6 col-md-4 col-lg-3"><p>Box 1</p></div>
<div class="col-sm-6 col-md-4 col-lg-3"><p>Box 2</p></div>
<div class="clearfix visible-sm-block"></div>
<div class="col-sm-6 col-md-4 col-lg-3"><p>Box 3</p></div>
<div class="clearfix visible-md-block"></div>
<div class="col-sm-6 col-md-4 col-lg-3"><p>Box 4</p></div>
<div class="clearfix visible-sm-block"></div>
<div class="clearfix visible-lg-block"></div>
<div class="col-sm-6 col-md-4 col-lg-3"><p>Box 5</p></div>
<div class="col-sm-6 col-md-4 col-lg-3"><p>Box 6</p></div>
<div class="clearfix visible-sm-block"></div>
<div class="clearfix visible-md-block"></div>
<div class="col-sm-6 col-md-4 col-lg-3"><p>Box 7</p></div>
<div class="col-sm-6 col-md-4 col-lg-3"><p>Box 8</p></div>
<div class="clearfix visible-sm-block"></div>
<div class="clearfix visible-lg-block"></div>
<div class="col-sm-6 col-md-4 col-lg-3"><p>Box 9</p></div>
<div class="clearfix visible-md-block"></div>
<div class="col-sm-6 col-md-4 col-lg-3"><p>Box 10</p></div>
<div class="clearfix visible-sm-block"></div>
<div class="col-sm-6 col-md-4 col-lg-3"><p>Box 11</p></div>
<div class="col-sm-6 col-md-4 col-lg-3"><p>Box 12</p></div>
</div>
</div>
correct not in every row
should have a total of 12 columns?
<div class="container">
<div class="row">
<div class="col-sm-6"><p>Box 1</p></div>
<div class="col-sm-6"><p>Box 2</p></div>
</div>
<div class="row">
<div class="col-sm-6"><p>Box 3</p></div>
<div class="col-sm-6"><p>Box 4</p></div>
</div>
</div>
follow this example: http://www.tutorialrepublic.com/codelab.php?topic=bootstrap&file=grid-layout-for-all-devices
My dear, you have already answered the question, what would be your doubt ?
– Renan Rodrigues
the first example is correct?
– Denali
No, because you divide the line into 12 space, there is a site that you lower the grids to draw on top so things get clearer. http://960.gs/ so you can download, if you have doubts just call.
– Renan Rodrigues