tailwind is class code example
Example 1: tailwind css
<link href="https://unpkg.com/tailwindcss@^1.0/dist/tailwind.min.css" rel="stylesheet">
Example 2: javascript replace class tailwindcss
<form>
<input class="bg-gray-200 hover:bg-white hover:border-gray-300 focus:outline-none focus:bg-white focus:shadow-outline focus:border-gray-300 ...">
<button class="bg-green-500 hover:bg-teal-600 focus:outline-none focus:shadow-outline ...">
Sign Up
</button>
</form>