Text in global styles

Hi,

I added Generateblocks pro cause i thought i needed it to create buttons with the global styles feature.

I created a global style that only contains a button which should be center aligned, hold a blue color, has "open in new tab" checked and displaying - Buy on chewy- text

I created exactly that button and saved it as a global style, however, when i use it inside a post the text just reads - button - . The color, alignment and öpen in new window seems to be stored inside the global style but the text isnt?

Am i doing it wrong? is text something that cant be "saved" inside global styles?

Thanks,
Mario