Untitled

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
    <link href="assets/maindropus.css" rel="stylesheet">
    <script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
    <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
    <title>Kirimkan Pesan</title>
</head>
<body>
    <div class="container contact-form">
        <div class="contact-image">
            <img src="assets/gambar.jpg" alt="rocket_contact"/>
        </div>
        <form method="post">
            <h3>Masukkan Pesan</h3>
           <div class="row">
                <div class="col-md-6">
                    <div class="form-group">
                        <input type="text" name="txtName" class="form-control" placeholder="Namamu*" value="" required/>
                    </div>
                    <div class="form-group">
                        <input type="text" name="txtEmail" class="form-control" placeholder="Emailmu*" value="" required/>
                    </div>
                    <div class="form-group">
                        <input type="text" name="txtPhone" class="form-control" placeholder="No HPmu*" value="" required/>
                    </div>
                    <div class="form-group">
                        <center><input type="submit" name="btnSubmit" class="btnContact" value="Kirimkan Pesan" /></center>
                    </div>
                </div>
                <div class="col-md-6">
                    <div class="form-group">
                        <textarea name="txtMsg" class="form-control" placeholder="Pesanmu*" style="width: 100%; height: 150px;" required></textarea>
                    </div>
                </div>
            </div>
        </form>
    </div>
</body>
</html>