After more than half day of a battle I found out that style.css has to be in direct folder of child theme. What I did is placed it under /css/ folder together with other styles thats why wordpress couldnt found php files... Weird thing is that this folder structure has worked when I was still developing site.

After more than a half of a day of battle, I found out that style.css has to be in direct subdirectory of a child theme. I had placed it under the /css/ folder together with other styles. That's why WordPress couldn't find PHP files... Weird thing is that this folder structure has worked when I was still developing site.

After more than half day of a battle I found out that style.css has to be in direct folder of child theme. What I did is placed it under /css/ folder together with other styles thats why wordpress couldnt found php files...

After more than half day of a battle I found out that style.css has to be in direct folder of child theme. What I did is placed it under /css/ folder together with other styles thats why wordpress couldnt found php files... Weird thing is that this folder structure has worked when I was still developing site.