Add Custom Login Logo

function custom_login_logo() {
    echo '<style type="text/css">
        #login h1 a, .login h1 a {
            background-image: url(' . get_stylesheet_directory_uri() . '/images/custom-logo.png);
            width: 320px;
            background-size: 320px 65px;
            background-repeat: no-repeat;
            padding-bottom: 30px;
        }
    </style>';
}
add_action('login_enqueue_scripts', 'custom_login_logo');