erpnext/public/css/website.css

.web-long-description {
  font-size: 18px;
  line-height: 200%;
}
.item-stock {
  margin-bottom: 10px !important;
}
.product-link {
  display: block;
  text-align: center;
}
.product-image-wrapper {
  max-width: 300px;
  margin: auto;
  border-radius: 4px;
}
@media (max-width: 767px) {
  .product-image {
    height: 0px;
    padding: 0px 0px 100%;
    overflow: hidden;
  }
}
.product-image-square {
  width: 100%;
  height: 0;
  padding: 50% 0px;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center top;
  border-radius: 0.5em;
  border: 1px solid #EBEFF2;
}
.product-image.missing-image {
  width: 100%;
  height: 0;
  padding: 50% 0px;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center top;
  border-radius: 0.5em;
  border: 1px solid #EBEFF2;
  border: 1px dashed #d1d8dd;
  position: relative;
}
.product-image.missing-image .octicon {
  font-size: 32px;
  color: #d1d8dd;
}
.product-text {
  padding: 15px 0px;
}
@media (max-width: 767px) {
  .product-search {
    width: 100%;
    margin-bottom: 13px;
  }
}