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">
</head>
<body>
    <ul>
        <li>item 1</li>
        <li>item 2</li>
        <li>item 3</li>
        <li>item 4</li>
    </ul>

    <button>add new item</button>
</body>
</html>

CSS

ul {
  padding: 0;
}
    
li {
  list-style-type: none;
  max-width: 200px;
  padding: 8px;
  margin-bottom: 8px;
  background: #eee;
  border: 1px dotted #ddd;
}