JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html lang="en">

<head>
  <title>Bootstrap Example</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.2.1/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.6/umd/popper.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.2.1/js/bootstrap.min.js"></script>
</head>

<body>

  <div class="container mt-3">
    <form>
      <div class="row">
        <div class="col">
          <label for="demo">Write your email here:</label>
          <div class="input-group mb-3">
            <input type="text" class="form-control" placeholder="Email" id="demo" name="email">
            <div class="input-group-append">
              <span class="input-group-text">@</span>
            </div>
            <small>Help text</small>
          </div>
        </div>
        <div class="col">
          <label for="demo">Write your email here:</label>
          <div class="input-group mb-3">
            <input type="text" class="form-control" placeholder="Email" id="demo" name="email">
            <div class="input-group-append">
              <span class="input-group-text">@</span>
            </div>
            <small>Help text</small>
          </div>
        </div>
        <div class="col">
          <label for="demo">Write your email here:</label>
          <div class="input-group mb-3">
            <input type="text" class="form-control" placeholder="Email" id="demo" name="email">
            <div class="input-group-append">
              <span class="input-group-text">@</span>
            </div>
            <small>Help text</small>
          </div>
        </div>
        <div class="col">
          <label for="demo">Write your email here:</label>
          <div class="input-group mb-3">
 ...