JSFiddle - React, Tailwind, and code Playground
HTML
<script src="//code.jquery.com/jquery-3.3.1.slim.min.js"></script>
<link rel="stylesheet" href="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
<script src="//cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js"></script>
<script src="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<!--
Bootstrap docs: https://getbootstrap.com/docs
-->
<div class="container-fluid">
<div class="row">
<div class="col">
<div class="content-1">
ROW 1 -> Height of its content
</div>
</div>
</div>
<div class="row">
<div class="col">
<div class="content-2">
ROW 2 -> Height between row1 and row3 automatically adjusted
</div>
</div>
</div>
<div class="row">
<div class="col">
<div class="content-3">
ROW 3 -> Height of its content
</div>
</div>
</div>
</div>
CSS
html, body, .container-fluid {
height: 100%;
background: lightyellow;
}
.col {
border: solid 1px #6c757d;
}
.content-1 {
height: 50px;
background-color: lightcoral;
}
.content-2 {
height: 200px;
background-color: lightgreen;
}
.content-3 {
height: 25px;
background-color: lightblue;
}