JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery.bootstrapvalidator/0.5.3/js/bootstrapValidator.min.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/jquery.bootstrapvalidator/0.5.3/css/bootstrapValidator.min.css">
<form id="contactForm" class="form-horizontal" role="form" action="contact_form.php" method="POST" data-toggle="validator">
    <div class="form-group">
        <label class="control-label col-sm-2" for="name">Name</label>
        <div class="col-sm-10">
            <input type="text" class="form-control" id="name" name="name" placeholder="Name">
        </div>
    </div>
    <div class="form-group">
        <label class="control-label col-sm-2" for="email">Email</label>
        <div class="col-sm-10">
            <input type="email" class="form-control" id="email" name="email" placeholder="example@domain.com">
        </div>
    </div>
    <div class="form-group">
        <label class="control-label col-sm-2" for="msg">Mesage</label>
        <div class="col-sm-10">
            <textarea class="form-control col-sm-10" id="msg" name="msg" placeholder=""></textarea>
        </div>
    </div>
    <div class="form-group">
        <label id="captchaOperation" class="control-label col-sm-2" for="captcha"></label>
        <div class="col-sm-10">
            <input type="text" class="form-control" id="captcha" name="captcha" placeholder="Answer">
        </div>
    </div>
    <div class="form-group">
        <div class="col-sm-offset-2 col-sm-10">
            <input type="submit" class="btn btn-primary" id="sub" name="sub" value="Send">
        </div>
    </div>
</form>

JavaScript

$(document).ready(function(){
$('#contactForm').bootstrapValidator({
    icon: {
        valid: 'glyphicon glyphicon-ok',
        invalid: 'glyphicon glyphicon-remove',
        validating: 'glyphicon glyphicon-refresh'
    },
    excluded: [':disabled'],
    fields: {
        name: {
            validators: {
                notEmpty: {
                    message: 'The Full Name field is required'
                }
            }
        },
        email: {
            validators: {
                notEmpty: {
                    message: 'The Email field is required'
                }
            }
        },
        msg: {
            validators: {
                notEmpty: {
                    message: 'The Message field is required'
                }
            }
        },
        captcha: {
            validators: {
                notEmpty: {
                    message: 'The Captcha field is required'
                }
            }
        }
    }
});
});