Remove a row from the Customizing Header

Hi @rabahf this option is “Content Area Vertical Spacing”.
You can adjust it for all pages in;
Customizing > Pages > Content Area Vertical Spacing > Choose the setting wich suits you

Or you can adjust it individually for any page/post in gutenberg Blocksy settings;

Hi @rabahf,
Actually the space that appears after the header is not generated by the header bottom row.

To remove that space simply edit the page and deactivate the top “Content Area Vertical Spacing”, here is a quick video – https://d.pr/v/19e6Cy

Hope this helps ??

Thank you both for your answers, it indeed disappeared now!