JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:v="urn:schemas-microsoft-com:vml"
      xmlns:o="urn:schemas-microsoft-com:office:office">
<head><!--[if gte mso 15]>
    <xml>
        <o:OfficeDocumentSettings>
            <o:AllowPNG/>
            <o:PixelsPerInch>96</o:PixelsPerInch>
        </o:OfficeDocumentSettings>
    </xml><![endif]--><!--[if gt mso 15]>
    <style type="text/css" media="all"> /* Outlook 2016 Height Fix */
    table, tr, td {
        border-collapse: collapse;
    }

    tr {
        font-size: 0px;
        line-height: 0px;
        border-collapse: collapse;
    }</style><![endif]-->
    <meta charset="UTF-8">
    <meta http-equiv="x-ua-compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>An Athena for Every Situation</title>
    <style type="text/css"> p {
        margin: 10px 0;
        padding: 0;
    }

    table {
        border-collapse: collapse;
    }

    h1, h2, h3, h4, h5, h6 {
        display: block;
        margin: 0;
        padding: 0;
    }

    img, a img {
        border: 0;
        height: auto;
        outline: none;
        text-decoration: none;
    }

    body, #bodyTable, #bodyCell {
        height: 100%;
        margin: 0;
        padding: 0;
        width: 100%;
    }

    .mcnPreviewText {
        display: none !important;
    }

    #outlook a {
        padding: 0;
    }

    img {
        -ms-interpolation-mode: bicubic;
    }

    table {
        mso-table-lspace: 0;
        mso-table-rspace: 0;
    }

    .ReadMsgBody {
        width: 100%;
    }

    .ExternalClass {
        width: 100%;
    }

    p, a, li, td, blockquote {
        mso-line-height-rule: exactly;
    }

    a[href^=tel], a[href^=sms] {
        color: inherit;
        cursor: default;
        text-decoration: none;
    }

    p, a, li, td, body,...