JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
    <meta http-equiv="content-type" content="text/html; charset=utf-8" />
    <title>full width double div</title>
<style type="text/css">
    body, html
    {
        padding: 0px;
        margin: 0px;   
    }
    
    .header 
    {
        margin-top: 10px;
        border-bottom: 3px solid #aaa;
        width: 100%;
        margin-bottom: 0px;
        boder-collapse: collapse;
        border-collapse: collapse;
        table-layout: fixed;
        
    }
    
    .header .flex-column-header 
    {
        padding: 5px;
        border-left: 1px solid #aaa;
        border-right: 1px solid #aaa;
        border-top: 1px solid #aaa;
        min-width: 75px;
    }
    
    .header .static-column-header 
    {
        width: 81px;
        min-width:80px;
    
    }
</style>
</head>
<body>
    <table class="header">
        <tbody>
            <tr>
                <td class="static-column-header"></td>
                <td class="flex-column-header"><span class="wc_week_day">Apple and Cherry</span></td>
                <td class="flex-column-header"><span class="wc_week_day">Orange</span></td>
                <td class="static-column-header"></td>
                <td class="flex-column-header"><span class="wc_week_day">Grapefruit</span></td>
                <td class="flex-column-header"><span class="wc_week_day">Strawberry and Banana</span></td>
                <td class="static-column-header"></td>
                <td class="flex-column-header"><span class="wc_week_day">Melon</span></td>
                <td class="flex-column-header"><span class="wc_week_day">Raspberry</span></td>
                <td class="static-column-header"></td>
                <td class="flex-column-header"><span class="wc_week_day">Blueberry</span></td>
                <td class="flex-column-header"><span...