404 error on dynamic stylesheet creation

The solution you’re using to get the stylesheets onto the page is a terrible method. WordPress provides the enqueue functions specifically to do what you’re trying to do. The codex page on wp_enqueue_style() explains exactly what you need to do. If you would like to add a dynamic version, there is a parameter for that.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)