JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://gitcdn.xyz/repo/wz2cool/css_layout/0.1/dist/layout.min.css">
 <div class="vertical-container fill-bottom" style="height: 700px; width:600px; color: white">
                    <div class="top-panel" style="background:#60D6EA; height: 60px;">
                        <div class="center-container center-horizontal">
                            <div class="center-panel">
                                <h2>Header</h2>
                            </div>
                        </div>
                    </div>
                    <div class="bottom-panel">
                        <div class="fill vertical-container fill-top">
                            <!-- content -->
                            <div class="fill top-panel">
                                <div class="fill vertical-container fill-top">
                                    <div class="top-panel">
                                        <div class="fill horizontal-container fill-right">
                                            <div class="left-panel fill-height" style="width: 200px;">
                                                <div class="fill vertical-container fill-bottom">
                                                    <div class="top-panel" style="background: #D7C9E3; height: 170px;">
                                                        <div class="center-container center-horizontal">
                                                            <div class="center-panel">
                                                                <h2>Hero</h2>
                                                            </div>
                                                        </div>
                                                    </div>
                                                    <div class="bottom-panel" style="background: #9FC467">
                                                        <div class="center-container center-horizontal">
       ...