Examine source code of Black Stars

{
  "theme": {
    "images": {
      "theme_frame": "Black_Stars_Header.png"
    },
    "colors": {
      "frame": "#696969",
      "tab_background_text": "#b0b0b0"
    }
  },
  "version": "2.0",
  "name": "Black Stars",
  "manifest_version": 2,
  "description": "Black Stars is a persona I made to be highly usable, for those who don't like overly colorful persona's. Although the title itself implies the stars are black, they're not! Surprise!"
}