Examine source code of Light Bright Blue

{
  "theme": {
    "images": {
      "theme_frame": "bluebg.jpg"
    },
    "colors": {
      "frame": "#0307fa",
      "tab_background_text": "#eeff00"
    }
  },
  "version": "2.0",
  "name": "Light Bright Blue",
  "manifest_version": 2,
  "description": "Light blue that are bright and with big not recognizable black dots"
}