header.php

                <header class="pr__header pr__dark" data-uk-sticky="top: 100vh; animation: uk-animation-slide-top;">

                    <div class="uk-container">
                        <div class="inner">
                            <div class="logo">
                                <a href="index.php">
                                    <div class="brand"><img src="assets/images/logo.png"></div>
                                </a>
                            </div>
                            <div class="navbar pr-font-second">
                                <nav class="menu" data-uk-scrollspy-nav="offset: 0; closest: li; scroll: true">
                                    <ul>
                                        <li><a href="#pr__hero">Home</a></li>
                                        <li><a href="#pr__services">Courses</a></li>
                                        <li><a href="#pr__works">Works</a></li>
                                        <li><a href="#pr__about">About</a></li>
                                       <li> <a href="registration.php">Register</a></li>

                                    </ul>
                                </nav>
                                <!--<div class="lang">
                                    <div data-uk-form-custom="target: true">
                                        <select>
                                            <option value="English">En</option>
                                            <option value="Germany">Ge</option>
                                        </select>
                                        <span></span>
                                        <i class="icon pr-chevron-down"></i>
                                    </div>
                                </div>-->
                            </div>
                            <div class="navbar-tigger" data-uk-toggle="target: #navbar-mobile">
                                <span></span>
                                <span></span>
                                <span></span>
                            </div>
                        </div>
                    </div>
                </header><!-- Site Header End -->