Examine source code of BlushBlue

{
  "name": "BlushBlue",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "BlushBlue.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(47, 21, 133, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b6a828f3-8470-4be4-9397-6e5f26e0a788}"
    }
  }
}