JSFiddle - React, Tailwind, and code Playground
by Dave Meier
HTML
<link rel="stylesheet" href="http://netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css">
<div class="row">
<div class="containing col-xs-12">
<div class="row">
<div class="b col-xs-12 col-md-6">Content of B</div>
<div class="ac col-xs-12 col-md-6">
<div class="row">
<div class="a col-xs-12">Content of A</div>
</div>
<div class="row">
<div class="c col-xs-12">Content of C</div>
</div>
</div>
</div>
</div>
</div>
CSS
.containing {
background-color: aliceblue;
box-sizing: border-box;
border: 1px solid #ccc;
}
.a, .b, .c {
background-color: white;
box-sizing: border-box;
border: 1px solid #ccc;
}
.a, .c {
height: 100px;
}
.b, .ac {
height: 200px;
}