.product-container{
  flex-wrap:wrap;
  justify-content: space-between;
}

.product{
  width: 100%;
  max-width: 300px;
  margin-bottom: 30px;
}

.product-explain{
  text-align: center;
  font-size: 12pt;
}

@media (min-width: 900px){
  .product{
    width: 33%;
    max-width: 350px;
  }
}