Reply To: Need to update the theme and also plugins.

Hello,

You are Most Welcome.

I have logged into your website and deactivated the cache plugin and the CSS is working fine on all pages.

Screenshot for Clarification: https://gyazo.com/d24f6751bd2bc69962571962cd3f90c2

I have reactivated the plugin back on your website. You can try deactivating yourself.

Regards.
Xtemos Studios