blank space before the menu

Can you provide a link to the problematic webpage?
I can’t replicate this issue on the original theme.

https://lsa.gouffaprod.com/

thank you for your time

Add a padding-left of zero to the <ul> element of the menu, then add margin-right of zero to the last <li> element of the menu.

You should add CSS modifications to the Custom CSS section of the dashboard.

Thank you very much, but where is that? I do not see any
ul or
li

<ul>
or
<li>

Your menu is an unordered list (<ul>) element. Each menu item is a list item (<li>) element.

ok thank you very much

done