 <form action="admin.php?target=arama3" method="post" class="sidebar-form">
                        <div class="input-group">
                            <input type="text" name="search" class="form-control" placeholder="Botox v.b"/>

                            <span class="input-group-btn">
                                <button type='submit' name='searchs' id='search-btn' class="btn btn-flat"><i class="fa fa-search"></i></button>
                            </span>
                        </div>
                    </form>