Enqueue CSS & JS files in the WP Dashboard.
// Add Admin CSS on the frontend and backend
function my_admin_css()
{
echo '<link rel="stylesheet" href="'.plugins_url() . '/ignite-tools/assets/css/wp-admin.css" type="text/css" media="all" />';
}
add_action('admin_head', 'my_admin_css');
add_action( 'wp_enqueue_scripts', 'my_admin_css');