.custom-color-wrapper {
  padding: 8px;
  border-bottom: 1px solid #ddd;
}
.color-box {
  margin-bottom: 8px;
}
.color-box-title {
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 4px;
}
.color-box-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, 18px);
  gap: 6px;
}
.color-swatch {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  border: 1px solid #aaa;
  cursor: pointer;
}