Examine source code of Blue Sky Contrast

{
  "description": "Blue Sky, a high contrast theme for Mozilla Firefox",
  "manifest_version": 2,
  "name": "Blue Sky Contrast",
  "theme": {
    "colors": {
      "frame": "#478CE5",
      "frame_inactive": "#658aae",
      "icons": "#000000",
      "icons_attention": "#000000",
      "ntp_background": "#eeeeee",
      "ntp_text": "#6c6c6c",
      "sidebar": "#000000",
      "sidebar_highlight": "#000000",
      "tab_background_separator": "#000000",
      "tab_line": "#ff0000",
      "tab_selected": "#ffd91c",
      "tab_text": "#185097",
      "tab_background_text": "#ffffff",
      "toolbar": "#ffd91c",
      "toolbar_field_border": "#5691dd",
      "toolbar_field_border_focus": "#000000",
      "toolbar_field_focus": "#ffffff",
      "toolbar_field_highlight": "#5691dd",
      "toolbar_field_highlight_text": "#ffffff",
      "toolbar_field_separator": "#000000",
      "toolbar_field_text": "#000000",
      "bookmark_text": "#ffffff",
      "toolbar_top_separator": "#000000"
    }
  },
  "version": "1.0"
}