Mobile navbar : opening up instead of down (tried the tricks found on the forum... not working)

Hi everyone !

I have a problem with my mobile navbar : I want to open it upwards and not downwards, and I can’t find a way to do it.

I’ve tried this : Opening a dropdown element up instead of down? >> it’s not working at all.

Can you help ? Here’s my project :

Thank you very much :slight_smile: