Examine source code of kurohaa

{
  "name": "kuroha",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "kuroha chromebar2.jpg"
    },
    "colors": {
      "frame": "rgba(227, 29, 79, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(28, 25, 25, 1)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(28, 25, 25, 1)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4dc465df-98ca-4586-97d7-57d76f050599}"
    }
  }
}