JSFiddle - React, Tailwind, and code Playground

HTML

<body>
    <div style="background-color='red';">
        Spam spam spam
    </div>
    <div>
        Some content
    </div>
    <div class="myContent">
        Some content
    </div>
    <div style="background-color='red';">
        Spam spam spam
    </div>
</body>

CSS

body div:first-child {
    display:none;
}

body div.myContent + div {
    display:none;
}