JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <link rel="stylesheet" href="prueba.css">
  <title>Document</title>
</head>
<body>
<span class="uno"><p>lorem</p></span><span class="dos"><p>lorem</p></span>
</body>
</html>

CSS

.uno, .dos {
  padding: 100px;
  display: inline-flex;
  flex-wrap: wrap;
}

.uno {
  background: red;
}

.dos {
  background: black;
  color: white;
}