JSFiddle - React, Tailwind, and code Playground

HTML

<style>

    div,
    a,
    img,
    nav {
        margin: 0;
        padding: 0;
        border: 0;
        vertical-align: baseline;
    }
    
    nav {
        display: block;
    }
    
    h2 {
        padding: 0;
        margin: 0 0 10px 0;
        font-size: 24px;
        font-weight: bold;
        color: #323232;
    }
    
    a,
    a:visited {
        color: #4f2683;
        text-decoration: none;
    }
    
    a:active,
    a:hover {
        text-decoration: underline;
    }
    
    ul {
        margin-bottom: 20px;
        margin-top: -5px;
    }
    
    ul ul {
        margin: 0;
    }
    
    a {
        font-weight: 700;
    }
    
    @media handheld,
    screen and (min-width: 620px) {
        #menuContainer ul {
            list-style: none;
        }
        #menuContainer {
            float: left;
            max-width: 821px;
            width: 100%;
            margin: 0;
            padding-top: 20px;
            margin-bottom: -20px;
        }
        #siteMenu .mobileTitle {
            display: none;
        }
        #siteMenu {
            height: 60px;
            position: relative;
            list-style: none;
            font-size: 14px;
            z-index: 6000;
            box-shadow: none;
            margin: 0;
            padding: 0 0 0 10px;
        }
        .dropDownMenu {
            position: relative;
            z-index: 999;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .dropDownMenu>li>a {
            display: block;
            overflow: hidden;
            position: relative;
            text-indent: 0;
            color: #000;
            text-align: center;
            text-decoration: none;
            background: 0;
            border: 0 none;
            height: auto;
            padding: 15px 0;
            font-weight: 400;
        }
        .dropDownMenu ul {
            list-style-type: none;
            float: left;
            position: relative;
...