@media (min-width: 420px) {
.grid-product {
  grid-template-columns: 1fr 1fr;
}
}

@media (min-width: 768px) {
.grid-product {
grid-template-columns: repeat(, 1fr);
}
}
  .grid-product {
    grid-gap: 0px;
}
.grid-product .box {
  padding: 0px !important;
  }