JSFiddle - React, Tailwind, and code Playground
by ampersand
HTML
<div id="wrapper">
<div id="nav">
lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blahlorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah lorem ipsum blah blah blah
</div>
<div id="content">as
</div>
</div>
CSS
html, body, #wrapper{
height: 100%;
}
#nav{
min-height: 100%;
width: 20%;
background: red;
float: left;
}
#content {
min-height: 100%;
width: 80%;
background: yellow;
float: left;
}