Examine source code of black star 2

{
  "theme": {
    "images": {
      "theme_frame": "bs4.jpg"
    },
    "colors": {
      "frame": "#2fc99d",
      "tab_background_text": "#c41818"
    }
  },
  "version": "2.0",
  "name": "black star 2",
  "manifest_version": 2,
  "description": "soul eater"
}