Examine source code of Yellow Dark Angel

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_LABScopy.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Yellow Dark Angel",
  "manifest_version": 2,
  "description": "Yellow and sunny theme with Dark Angel brush. I created it because it was fun :D\nMaybe I make it in different colors.. If yuo like this =)"
}