How to remove styles from buttons?

Actually a question how to get these styles have buttons? here all sorts of introductions and so forth, so white it was without a shadow of excess.

button:active, button:focus {
outline: none !important;

doesn't help
June 8th 19 at 16:58
2 answers
June 8th 19 at 17:00
June 8th 19 at 17:02
.purchase__button { border: none; outline: none; }

Find more questions by tags CSSLayout