JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://raw.githubusercontent.com/chmln/flatpickr/gh-pages/dist/flatpickr.min.js"></script>
<input id="test"/>

CSS

.flatpickr-wrapper{display:inline-block;width:100%;position:relative}.flatpickr-wrapper input{cursor:pointer;z-index:1}.flatpickr-wrapper .flatpickr-calendar{background:#fff;border:1px solid #ddd;font-size:90%;border-radius:4px;position:absolute;top:100%;left:0;margin-top:3px;opacity:0;visibility:hidden;transition:opacity 75ms;width:256px}.flatpickr-wrapper .flatpickr-calendar:after,.flatpickr-wrapper .flatpickr-calendar:before{position:absolute;pointer-events:none;border:solid transparent;content:'';height:0;width:0;bottom:100%;left:22px}.flatpickr-wrapper .flatpickr-calendar:before{border-width:5px;margin:0 -5px;border-bottom-color:#ddd}.flatpickr-wrapper .flatpickr-calendar:after{border-width:4px;margin:0 -4px;border-bottom-color:#fff}.flatpickr-wrapper .flatpickr-calendar .flatpickr-month{background:0 0;color:#000;padding:4px 5px 2px;text-align:center;position:relative}.flatpickr-wrapper .flatpickr-calendar .flatpickr-month .flatpickr-next-month,.flatpickr-wrapper .flatpickr-calendar .flatpickr-month .flatpickr-prev-month{text-decoration:none;cursor:pointer}.flatpickr-wrapper .flatpickr-calendar .flatpickr-month .flatpickr-next-month i,.flatpickr-wrapper .flatpickr-calendar .flatpickr-month .flatpickr-prev-month i{position:relative;bottom:-4px}.flatpickr-wrapper .flatpickr-calendar .flatpickr-month .flatpickr-next-month:hover,.flatpickr-wrapper .flatpickr-calendar .flatpickr-month .flatpickr-prev-month:hover{color:#f64747}.flatpickr-wrapper .flatpickr-calendar .flatpickr-month .flatpickr-prev-month{float:left}.flatpickr-wrapper .flatpickr-calendar .flatpickr-month .flatpickr-next-month{float:right}.flatpickr-wrapper .flatpickr-calendar .flatpickr-month .flatpickr-current-month{font-size:135%;font-weight:300;color:rgba(0,0,0,.7)}.flatpickr-wrapper .flatpickr-calendar .flatpickr-month .flatpickr-current-month .cur_month{font-weight:700;color:#000}.flatpickr-wrapper .flatpickr-calendar .flatpickr-month .flatpickr-current-month .cur_year{cursor:default;padding:0...

JavaScript

flatpickr('#test', {
	minDate: '2016-05-24'
});