Mouse click question

Hi Guys! I hope someone can help me with my problem.
I’m currently making a website now for a client. My problem is whenever I click one content, and then click another content the first content that I clicked didn’t automatically hide. What should I do about it?

Here is my public share link:
(how to access public share link)

Hi @jonathan_belmonte! Your share link is empty…

Can you explain a little bit more about the problem?

Oh right! Hold on a sec. ill go ahead and get a shareable link. thank you so much

posted the link already

Ihope you could help me. Again my problem is when i click the first content then click the second content, automatically the first content should be hidden

@jonathan_belmonte hi ,only read link not work.
but maybe you can look this.