.subsidy {
  position: relative;
}

.subsidy__btn {
  width: 62%;
  position: absolute;
  bottom: 2rem;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
}

@media (max-width: 769px) {
  .subsidy__btn {
    width: 85%;
    margin: 0 auto;
    bottom: .8rem;
  }
}