When I click in a post in my webpage, when it opens, I don’t like the font of the title of the posts. I want to change it to helvetica and also I want to change the font size. I have tried the solutions that I read in many posts in this forum, but none of them worked for me.
The following link is the link of one of my posts
Very much thank you for your answer. However the problem remains. That code changes the font type of the title preview of the post, but I want to change the title of the post. The code changes the title of the post in this page
but I want to change the title of the post in this one