form.html

<div class="sppb-addon sppb-addon-ajax-contact ">
    <div class="sppb-addon-content">
        <form class="sppb-ajaxt-contact-form">
            <div class="sppb-form-group input">
                <input type="text" name="name" class="input-field sppb-form-control" id="input-name" required="required" />
                <label class="input-label" for="input-name">
                    <span class="input-label-content">Name</span>
                </label>
            </div>
            <div class="sppb-form-group input">
                <input type="email" name="email" class="sppb-form-control input-field" id="input-email" required="required" />
                <label class="input-label" for="input-email">
                    <span class="input-label-content">Email</span>
                </label>
            </div>
            <div class="sppb-form-group input">
                <input type="text" name="subject" class="sppb-form-control input-field" id="input-subject" required="required" />
                <label class="input-label" for="input-subject">
                    <span class="input-label-content">Subject</span>
                </label>
            </div>
            <div class="sppb-form-group input input-field-textarea">
                <textarea type="text" name="message" rows="5" class="sppb-form-control input-field" id="input-message" required="required"></textarea>
                <label class="input-label" for="input-message">
                    <span class="input-label-content">Message</span>
                </label>
            </div>
            <input type="hidden" name="recipient" value="YnJlZnlAeWFuZGV4LnJ1" />
            <button type="submit" class="sppb-btn sppb-btn-success"><i class="fa"></i> Send Message</button>
        </form>
        <div style="display:none;margin-top:10px;" class="sppb-ajax-contact-status">
    </div>
</div>