Hi. I am not an employee of Joomshaper and can not see the hidden content. But I can assume the causes. Do not use hiding options if you do not know exactly how it works. For example, if you have created two sections with the same name "Header" and want to hide/display it on different devices, thereby creating duplicate ID of header and all module positions that it includes that. It is unacceptable on the same page according to HTML rules. And it can cause the problem with which you encountered.

If you need to change the Header for mobile devices, use the template settings or custom CSS to change layout in breakpoints but not Duplicate and Hiding Options

Hi Pavel, thanks for your answer, no i don't duplicated anything... i just trying if it works, and no... it only seems that no answer the call..

![https://imgur.com/a/bIrIiW2]

Hi, checking... Setting for the row is correct, but I have to check why bootstrap class is not used on your website.

Thanks Paul, waiting 4 news :)

Ok found, someone kept old boostrap.min.css file from Helix Ultimate 1.1.x not a new 2.0. That's why.

I put missing classes into custom.css, but I think you made more customizations, not only template.

Also somehow you SPPB 3.7.15 loads old FontAwesome 4.7, not 5.0 as it should be.

Good advice! recode all custom HTML modules to use Bootstrap 4 columns styles.

And Yes, now you can hide row inside Helix Ultimate Options - Layout. It works.

Sorry, but i think not... And all the site is destroyed now and need to recover it with a safe copy... i can't understand..

"Ok found, someone kept old boostrap.min.css file from Helix Ultimate 1.1.x not a new 2.0. That's why."

If i recover the site and replace this file it will work?

Thank you very much, it worked sir