Examine source code of Car, Ford, School image

{
  "name": "Car, Ford, School image",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Car, Ford, School image.jpg"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(24, 218, 240, 1)",
      "toolbar_field": "rgba(0, 247, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{50382203-21f2-4994-942e-7a3fdedea0e6}"
    }
  }
}