The button has changed style; padding, font styles/size for description, commenter name styling and date.

The styling for button, description in comments section on post page revisited by wmorrisj, 

Implement the design as per the design files.

Nested Illustrator file is here - https://drive.google.com/open?id=1pbszuGPqr_XnI51H8gWN8jYE4Yct6tMj