JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <h3>Hello, I am h3</h3>
</div>
<div>
    <span>Hello, I am span</span>
</div>
<form>
    <legend>Hello, I am legend</legend>
</form>

CSS

div, form {
    width: 80%;
    border: 2px dotted gray;
}
h3, legend, span {   
    display: block;
    padding: 10px;
    background-color: #94de73;
}