JSFiddle - React, Tailwind, and code Playground

HTML

<div class="wrap">
    <section class="ib">Hello world</section>
    <section class="il">Hello world</section>
</div>

CSS

.ib {
    display: inline-block;
}

.il {
    display: inline;
    margin-left: 10px;
}

section {
    padding: 3px 5px;
    background: #000;
    border-radius: 3px;
    color: #fff;
    font-size: 11px;
    font-family: Sans-serif;
}

.wrap {
    font-size: 0;
}