JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Document</title>
</head>
<body>
  <div class="block1">You choose: Option 1</div>
  <div class="block2">You choose: Option 2</div>
  
  <select name="" id="">
    <option value="">Option 1</option>
    <option value="">Option 2</option>
  </select>
</body>
</html>

CSS

.block1, .block2 {
  display: none;
}