Examine source code of Bright Bright Bright

{
  "name": "Bright Bright Bright",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "BrightBrightBrightH.jpg"
    },
    "colors": {
      "frame": "rgba(255, 243, 209, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(255, 244, 209, 0)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(255, 244, 209, 0.08)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0693dc22-9dd5-4da5-aec7-cec9052a1085}"
    }
  }
}