Custom login admin page on WordPress

CSS file login.css

#login h1 a {
    background-image: unset;
    text-indent: 0;
    width: 100%;
    font-weight: 700;
    height: auto;
}

PHP

// Change link logo login admin
add_filter('login_headerurl', function () {
    return site_url();
} );

// Custom login admin style
add_action('login_head', 'login_css');
function login_css() {
    wp_enqueue_style( 'login_css', get_stylesheet_directory_uri().'/assets/css/admin/login.css');
}

//Change Heading login page
add_filter('login_headertitle', function() {
    return 'Web99! Administration Login';
} );