One of my page gone blank when the others was fine

Hi everyone, I’m getting ready to publish my client’s site but when I publish the problem come in just this one page Academy portfolio. It’s gone blank, only show the body without content when I inspect it, but it’s fine when come in editor. there is no error appears as well.

this one page shows like this

I really struggling to fix this problem, maybe I can get help here. Thank you.

Here is my site Read-Only: LINK
(how to share your site Read-Only link)

Ha that took me a few moments, but it was an interesting ride.
Here’s your problem…


You’ve started a style block, but never closed it, so the browser is trying to parse your entire document as CSS styles.