Examine source code of Firechicha

{
  "theme": {
    "images": {
      "theme_frame": "facefox.jpg"
    },
    "colors": {
      "bookmark_text": "rgba(235, 233, 230, 1)",
      "toolbar": "rgba(40, 40, 40, 0.5)",
      "toolbar_bottom_separator": "#444333",
      "toolbar_field": "#333333",
      "toolbar_field_text": "rgba(245, 245, 245, 1)",
      "tab_line": "rgba(79, 193, 248, 1)",
      "tab_background_text": "#ededed",
      "tab_background_separator": "#444333",
      "popup_highlight": "rgba(0, 100, 233, 0.5)"
    }
  },
  "version": "1.0",
  "name": "Firechicha",
  "manifest_version": 2,
  "description": "Simple firefox colorscheme heavily inspired by Face Fox Dark, but with some twiks to make the ultimate Firefox dark theme",
  "browser_specific_settings": {
    "gecko": {
      "id": "{844bb8b0-b114-4dd4-977d-bc7d0702b8f1}"
    }
  }
}