Classnames

> A simple JavaScript utility for conditionally joining classNames together.

Install from the npm registry with your package manager:
``bash
npm install classnames
`

Use with Node.js, Browserify, or webpack:

`js
const classNames = require('classnames');
classNames('foo', 'bar'); // => 'foo bar'
`

Alternatively, you can simply include index.js on your page with a standalone