<form class="pt-4 contact__form" method="post" action="mail.php">
    <!-- form message -->
    <div class="row">
        <div class="col-12">
            <div class="alert alert-success contact__msg" style="display: none" role="alert">
                Your message was sent successfully.
            </div>
        </div>
    </div>
    <!-- end message -->

    <div class="form-group">
        <input type="text" name="name" class="form-control py-4 mb-4 border-radius-30" placeholder="Your Name" required>
    </div>
    <div class="form-group">
        <input type="email" name="email" class="form-control py-4 mb-4 border-radius-30" placeholder="Your Email"
            required>
    </div>
    <div class="form-group">
        <input type="text" name="phone" class="form-control py-4 mb-4 border-radius-30" placeholder="Phone Number"
            required>
    </div>
    <input name="submit" type="submit" class="book-demo" value="Book a Demo">
</form>