JSFiddle - React, Tailwind, and code Playground
by Varun Krishna P
HTML
<div id="parent">
<div id="childNorm">some content for regular child</div>
<div id="childStrech">Some content for streching child</div>
</div>
CSS
#parent
{
position: absolute;
width: 1000px;
bottom: 0;
top: 0;
margin: auto;
background-color: black;
}
#childNorm
{
position: absolute;
width: 1000px;
top: 0;
height: 50px;
background-color: blue;
color: white;
}
#childStrech
{
position: absolute;
width: 1000px;
top: 50px;
bottom: 0;
background-color: red;
color: white;
}
JavaScript
// answer from this post
//http://stackoverflow.com/questions/8425959/child-div-not-expanding-to-parent-div