Change WordPress Login URL and IMG

functions.php

// verander WP-Logo login.php
    function my_custom_login_logo() {
    echo '<style type="text/css">
    h1 a { background-image:url('.get_bloginfo('template_directory').'/images/pad-naar-logo.png) !important; }
    </style>';
    }
    add_action('login_head', 'my_custom_login_logo');

    // verander de url op de login pagina
    function put_my_url(){
    return ('http://www.yourdomain.nl/'); // verander in de url van je website
    }
    add_filter('login_headerurl', 'put_my_url');