Hiding Page Titles from Pages

Hi!

I’m designing a website for a client cofemployment.org, and I want to hide the page titles from each of the pages like the link attached. I’ve tried using elementor’s Hide Title option and inserted the following line of CSS but neither of these options have worked.

.page .entry-title {
display: none;
}

Does anyone have any other CSS lines of code or any other tricks that work?

The page I need help with: [log in to see the link]