Examine source code of Code Green (light)

{
  "manifest_version": 2,
  "name": "Code Green (light)",
  "version": "1.0",
  "author": "Benjamin Krajancic",
  "description": "A firefox theme for lovers of lime green.",
  "theme": {
    "colors": {
      "frame": "#E3E4E6",
      "frame_inactive": "#d7d7db",
      "toolbar": "#F5F6F8",
      "button_background_active": "#caeac4",
      "button_background_hover": "#caeac4",
      "icons": "#525355",
      "icons_attention": "#4c9f33",
      "ntp_background": "#ffffff",
      "ntp_text": "#000000",
      "tab_background_text": "#000000",
      "tab_line": "#4c9f33",
      "tab_loading": "#ffffff",
      "tab_selected": "#4c9f33",
      "tab_text": "#ffffff",
      "toolbar_top_separator": "#4c9f33",
      "toolbar_field_border_focus": "#4c9f33",
      "toolbar_field_highlight": "#caeac4",
      "toolbar_field_highlight_text": "#000000",
      "popup": "#F5F6F8",
      "popup_highlight": "#4c9f33",
      "popup_highlight_text": "#ffffff"
    }
  }
}