JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
 <html>
  <head>
   <meta name="viewport" content="width=device-width, initial-scale=1">
  </head>
  <body>
   <template id="my-paragraph">
    <style>
      p {
        color: red;
        background-color: #666;
        padding: 5px;
      }
    </style>
    <p>This is template</p>
  </template>
  </body>
</html>

JavaScript

let template = document.querySelector("#my-paragraph");
document.querySelector('body').appendChild(template.content);