body {
  margin: 0;
  font-family: Arial, sans-serif;
}

.rounded_corners {
  border-radius: 12px;
  overflow: hidden;
}

.drop_shadow {
  box-shadow: 2px 4px 10px #00000020;
}

.master_product_view {
  background-color: #00FFFF7F;
  border: 1px solid #FF00FF;
  box-sizing: border-box;
  width: 50%;
  display: grid;
  grid-template-rows: auto minmax(0,1fr);
  gap: 1.5rem;
  margin: 0 auto;
}

.product_top {
  display: grid;
  grid-template-columns: 400px minmax(0,1fr);
  grid-template-rows: 100px auto minmax(0,1fr);
  gap: 1.5rem;
}

.product_top__title {
  background-color: #FF00FF;
  display: grid;
  grid-template-rows: auto minmax(0,1fr);
}

.product_top__reviews {
  background-color: #EFEFEF;
}

.product_top__purchase {
  background-color: #BFBFBF;
  display: grid;
  grid-template-rows: auto minmax(0,1fr);
}

.product_bottom {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 2fr minmax(0,4fr);
}

.galler_list,
.product_description {
  overflow-y: auto;
}

.gallery_list {
  background-color: #FF00FF;
}

.product_description {
  background-color: #FFFF00;
}

.main_image {
  grid-column: 1;
  grid-row: 1 / 4;
  width: 400px;
  height: 400px;
  background-color: #FFFF00;
}

@media (max-width: 960px) {
  .master_product_view {
    width: 87.5%; /* 7/8 */
  }
}