.onetouchbtton::before {
    content: url(https://static.tildacdn.com/tild3566-3534-4539-b563-663031386263/buy-one-click.png);
    position: relative;
    height: 20px;
    display: flex;
    padding-right: 1rem;
}


Контейнер: 


.t1002__btns-wrapper {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
   margin-top: 20rem;
}