Examine source code of eww blue bacteria

{
  "theme": {
    "images": {
      "theme_frame": "ewwbluebacteria.jpg"
    },
    "colors": {
      "frame": "#09090a",
      "tab_background_text": "#4a8ff0"
    }
  },
  "version": "2.0",
  "name": "eww blue bacteria",
  "manifest_version": 2,
  "description": "blue bacteria"
}