Post title in homepage is very big size with supermag, unable to reduce it

I see for all the post title mentioned in home page with supermag theme is very big in size and upon looking up via developer tool , size is 64px font weight ( issue does not exist under individual post url level as this is occurring only in homepage. I did looked upon the css from theme editor but not able to find the exact size of 64px, please assist where should i change to resolve this.

Site name is https://mytradeguru.com/