Examine source code of Sunshine Bright

{
  "name": "Sunshine  Bright",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "SunShinesBrightH.jpg"
    },
    "colors": {
      "frame": "rgba(247, 186, 20, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(250, 196, 20, 0)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(250, 196, 20, 0.11)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d8d0dd4d-4ee9-4353-8f87-52c42bcf7eed}"
    }
  }
}