JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <p class="box1">Абзац 1</p>
    <p class="box2">Абзац 2</p>
</div>

CSS

body {
    border: 1px solid yellow;
}
div {
    border: 1px solid green;
    margin: 5px 0;
}
.box1, .box2 {
    background: red;
    margin: 10px 0;
}