Examine source code of Angel 3

{
  "theme": {
    "images": {
      "theme_frame": "FFTheme6.jpg"
    },
    "colors": {
      "frame": "#15ff00",
      "tab_background_text": "#0b00a1"
    }
  },
  "version": "2.0",
  "name": "Angel 3",
  "manifest_version": 2,
  "description": "Yet another color variation...this was done as a personal favor to a friend. Likely the last of the rainbow angel series."
}