Gutenberg builder – How to hide a header block in a specific page?

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I have two bars on my website header, and would like to hide one of them from the homepage.

I use WordPress Gutenberg builder and it seems there is no option for that in the app.

Could somebody please help me to find what CSS code do I need to use to hide the block?

When I inspect the element that I want to hide from the homepage, I get the following

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