How can I style payment buttons like the Peach Lift store?

Store Design
1

Hi,

I want to use the same styling for the payment buttons on this store https://thepeachlift.com/products/the-peach-lift-leggings

But I can’t find a way to do this.

Thanks for helping me.

My store is https://vacuumwineopener.com/

My theme is Debut