How to hide a div clicking outside menu bar?

Question

I have this code:
https://code.sololearn.com/WPNp55x4bx8U/#

so I need the div to disappear when I click on another part of the page, please help me

Answer 1

Lorenzo Sandoval there are many <div> specify which div?

Answer 2

Sorry..the <div> with class "oculto"