How to close my menu?

[minor hull]

I am unclear on how to make my code close this menu. I have a button, and it needs to remove a class on another object. I also have another button which needs to add that class. I get an error of Object unable to change parameter of a child or smtn like that.

How would i do that?
Code is here:
https://pastebin.com/pQ6GLgN5

I need the div wrapping the x in line 20 to be the button, and it needs to change the classes of the div in line 43, and I have no idea how to do that.

[void island]

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[balmy fiber]

To change classes it really just dom manipulation

You just need the id or the ref object

And append the tailwind class name