The text of the TextField label is still seen when displaying the select

[juliGer]

Hello I wanted to see if anyone knows how to solve this problem, when I open the select is still seeing the label of the TextField of material maybe it is a matter of some style but I would not be knowing how to fix it, anyone has any idea ? Thanks, greetings!

Code

Render without displaying the select

Render deploying the select

[juliGer]

There I was able to solve the label had a z index so you can put solved, Thanks