Examine source code of Lady Blue

{
  "name": "Lady Blue",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "1A.jpg"
    },
    "colors": {
      "frame": "rgba(125, 149, 196, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(179, 189, 209, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(184, 193, 214, 0.11)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4ac9b0de-550b-4874-a15b-3d502c629c94}"
    }
  }
}