GitHub Pages not reflecting my actual HTML [migrated]

I've a GitHub Pages repository with only one branch, master. Normally it doesn't freeze after changes. For example, normally it takes around 2 minutes to refresh a HTML that was updated through a pull request.

However, recently I updated my HTML and the change wasn't reflected so far, after at least 16 hours. I've tried to clear the browser cache.

This is the GitHub Pages repository's HTML that I've updated whose changes haven't been reflected:

• https://github.com/hydroper/hydroper.github.io/blob/master/cv.html

Here's it rendered:

• https://hydroper.github.io/cv.html

To make it clear, I've added a card at the bottom of the page with a label "Tic Tac Toe". It renders as expected locally. On GitHub Pages it doesn't render as expected.