.product {
  display: grid;
  grid-template-columns: 1fr 2fr;
  grid-gap: 20px;
  margin-bottom: 20px;
}

.product img {
  width: 100%;
  max-width: 400px;
  border-radius: 5px;
}

.product h3 {
  margin: 0;
  font-size: 24px;
  color: #333;
}

.photo-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-gap: 20px;
  margin-top: 20px;
}

.photo-gallery img {
  width: 100%;
  border-radius: 5px;
}