My messages wont send

                            <section>
                                <form method="post" action="#">
                                    <div class="row uniform">
                                        <div class="6u 12u$(xsmall)">
                                            <input type="text" name="demo-name" id="demo-name" value="" placeholder="Name" />
                                        </div>
                                        <div class="6u$ 12u$(xsmall)">
                                            <input type="email" name="demo-email" id="demo-email" value="" placeholder="Email" />
                                        </div>
                                        <div class="12u$">
                                            <div class="select-wrapper">
                                                <select name="demo-category" id="demo-category">
                                                    <option value="">- Category -</option>
                                                    <option value="1">Web Design</option>
                                                    <option value="1">Help</option>
                                                    <option value="1">Other</option>
                                                </select>
                                            </div>
                                        </div>
                                        <div class="4u 12u$(small)">
                                            <input type="radio" id="demo-priority-low" name="demo-priority" checked>
                                            <label for="demo-priority-low">Low</label>
                                        </div>
                                        <div class="4u 12u$(small)">
                                            <input type="radio" id="demo-priority-normal" name="demo-priority">
                                            <label for="demo-priority-normal">Normal</label>
                                        </div>
                                        <div class="4u$ 12u$(small)">
                                            <input type="radio" id="demo-priority-high" name="demo-priority">
                                            <label for="demo-priority-high">High</label>
                                        </div>
                                        <div class="6u 12u$(small)">
                                            <input type="checkbox" id="demo-copy" name="demo-copy">
                                            <label for="demo-copy">Email me a copy</label>
                                        </div>
                                        <div class="6u$ 12u$(small)">
                                            <input type="checkbox" id="demo-human" name="demo-human" checked>
                                            <label for="demo-human">Not a robot</label>
                                        </div>
                                        <div class="12u$">
                                            <textarea name="demo-message" id="demo-message" placeholder="Enter your message" rows="6"></textarea>
                                        </div>
                                        <div class="12u$">
                                            <ul class="actions">
                                                <li><input type="submit" value="Send Message" class="special" /></li>
                                                <li><input type="reset" value="Reset" /></li>
                                            </ul>
                                        </div>
                                    </div>
                                </form>
                            </section>


                        </div>
                    </section>
                </article>