JSFiddle - React, Tailwind, and code Playground

HTML

<header class="header container">
  <h1>Header Sample</h1>
</header>
<main class="content container">
  <p>Muffin wafer carrot cake cake sugar plum chocolate. Dessert bear claw biscuit. Cupcake jelly beans halvah danish cotton candy halvah.</p>
</main>
<footer class="footer container">
   <p>Copyright &copy; 2019</p>
</footer>

CSS

.container {
  padding: 10px;
  border: solid 2px red;
}

.header {
  background-color: rgba(255, 0, 0, 0.15);
}

.content {
  background-color: rgba(0, 255, 0, 0.15);
}

.footer {
  background-color: rgba(0, 0, 255, 0.15);
}