Defssd

sdsdsd

by fersterin

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css">
<div class="container">
<div class="row">
  <div class="col-lg-1">.col-md-1</div>
  <div class="col-lg-1">.col-md-1</div>
  <div class="col-lg-1">.col-md-1</div>
  <div class="col-lg-1">.col-md-1</div>
  <div class="col-lg-1">.col-md-1</div>
  <div class="col-lg-1">.col-md-1</div>
  <div class="col-lg-1">.col-md-1</div>
  <div class="col-lg-1">.col-md-1</div>
  <div class="col-lg-1">.col-md-1</div>
  <div class="col-lg-1">.col-md-1</div>
  <div class="col-lg-1">.col-md-1</div>
  <div class="col-lg-1">.col-md-1</div>
</div>
<div class="row">
  <div class="col-sm-8">.col-md-8</div>
  <div class="col-sm-4">.col-md-4</div>
</div>
<div class="row">
  <div class="col-md-4">.col-md-4</div>
  <div class="col-md-4">.col-md-4</div>
  <div class="col-md-4">.col-md-4</div>
</div>
<div class="row">
  <div class="col-md-6">.col-md-6</div>
  <div class="col-md-6">.col-md-6</div>
</div>
</div>

CSS

div.row > div {
  background: #e3d3e3;
  border: 1px solid #970343;
}