Examine source code of Cupcake Sprinkles

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Cupcake Sprinkles",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(255, 66, 191)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(43, 199, 238)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgb(210, 52, 156)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgba(255, 255, 255, 0.57)",
      "popup": "rgb(43, 199, 238)",
      "popup_text": "rgb(0, 0, 0)",
      "tab_loading": "rgba(255, 255, 255, 0.57)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{66637ccb-0d63-4865-a301-23c472732a7e}"
    }
  }
}