bootstrap grids examples

1<div class="container">
2  <div class="row">
3    <div class="col-md-8">.col-md-8</div>
4    <div class="col-md-4">.col-md-4</div>
5  </div>
6</div>

1<!-- Control the column width, and how they should appear on different devices -->
2<div class="row">
3  <div class="col-*-*"></div>
4  <div class="col-*-*"></div>
5</div>
6<div class="row">
7  <div class="col-*-*"></div>
8  <div class="col-*-*"></div>
9  <div class="col-*-*"></div>
10</div>
11
12<!-- Or let Bootstrap automatically handle the layout -->
13<div class="row">
14  <div class="col"></div>
15  <div class="col"></div>
16  <div class="col"></div>
17</div>

1.row{
2    display: flex;
3    flex-wrap: wrap;
4	margin-right: -15px;
5    margin-left: -15px;
6}