Hello, how to delete white squares? and other squares

[sweet birch]

"$border_visible": false,
        "$default_state_border_visible": false,
        "$hover_state_border_visible": false,
        "$pressed_state_border_visible": false,
        "$locked_state_border_visible": false,
        "$default_border_visible": false

[narrow crater]

thank you, How do I change the color of a button?

[sweet birch]

Either change the color of the texture or "color":[RGB values here]

[narrow crater]

sorry, I meant the color of the text in button🥹

[sweet birch]

Oh then just put that in the text element

[narrow crater]

thank you very much