WordPress AdminLogo Change
/*
paste this code in theme functions.php file and fullfill your logo image path
*/
function my_login_logo() { ?>
<style type="text/css">
#login h1 a, .login h1 a {
background-image: url(<?php echo get_stylesheet_directory_uri(); ?>/assets/images/site-login-logo.png);
height:65px;
width:160px;
background-size: 160px 65px;
background-repeat: no-repeat;
padding-bottom: 20px;
}
</style>
<?php }
add_action( 'login_enqueue_scripts', 'my_login_logo' );