body {
  /*background-color: #f9f9f9;*/
}

#display_part_number {
  font-size: 22px;
}

#link_add_product {
  float: right;
  margin: -20px 0 20px 0;
  color: #007bff;
  font-weight: bold;
}
.b { font-weight: bold; }

tr.data td {
  border: 1px solid #999;
  padding: 10px;
}

textarea {
  min-height: 100px;
}

.area_thumbnail {
  margin: 35px;
  border: 1px solid #CED4DA;
  padding: 2px;
  width: 200px;
  height: 200px;
}
.thumbnail {
  width: 160px;
  height: 160px;
  margin: 20px;
  background-repeat: no-repeat, no-repeat;
  background-position: center, center;
  background-size: contain;
}