<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script> 
<form actiom="" method="post" class="ajax_form">

<input type="text" placeholder="Имя" name="name" value="" required="" class="inner">
<input type="tel" placeholder="Телефон" name="phone" value="" id="phone" title="Формат: 12 цифр, без пробелов" pattern="^[0-9]{3}[0-9]{2}[0-9]{3}[0-9]{4}$" required="" class="inner">
<input type="email" placeholder="E-mail" name="email" value="" required="" class="inner">
<textarea placeholder="Сообщение" name="Message" value="" required="" class="inner"></textarea></div></div>
<button class="inner">Отправить</button>
</form>
