JSFiddle - React, Tailwind, and code Playground
by sync
HTML
<!DOCTYPE html>
<html>
<body >
<div id="div1" style='height:50%; background-color:pink;'></div>
<div id="div2" style='height:50%; background-color:blue;'></div>
</body>
</html>CSS
html, body { height: 100%; }