.buy-block__items {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 1fr 1fr 1fr 1fr;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  grid-gap: 20px;
}
@media only screen and (max-width: 991px) {
  .buy-block__items {
    -ms-grid-columns: 1fr 1fr;
    grid-template-columns: 1fr 1fr;
    grid-gap: 10px;
  }
}
.buy-block__item {
  background: #f5f5f5;
  border-radius: 20px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  padding: 20px;
  cursor: pointer;
  transition: 300ms;
}

.buy-block__item:hover {
  background: none;
}
@media only screen and (max-width: 991px) {
  .buy-block__item {
    padding: 10px;
    border-radius: 10px;
  }
}