Work

• color
  • white
    • text for selected when bk color is too dark
    • triangle and border of collapse triangle
  • cross in attr table too faint
• color and inheritance
  • assign the color to the selected SO
  • make all children inherit the color of their parent
  • add new segment "color" to attr/angle/repeat seg control
    • color picker, pre-loaded with selected SO's color
    • button "clear" -> just inherit parent's color
      • set SO's color to null