Examine source code of zenSilentHill

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "silentHill",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(227, 223, 216)",
      "toolbar_text": "rgb(50, 56, 87)",
      "frame": "rgb(230, 226, 221)",
      "tab_background_text": "rgb(65, 70, 73)",
      "toolbar_field": "rgb(80, 57, 101)",
      "toolbar_field_text": "rgb(114, 242, 165)",
      "tab_line": "rgba(232, 236, 242, 0.04)",
      "popup": "rgb(224, 219, 229)",
      "popup_text": "rgb(63, 33, 56)",
      "icons_attention": "rgb(13, 168, 86)",
      "icons": "rgb(0, 0, 0)",
      "tab_background_separator": "rgba(240, 240, 245, 0)",
      "tab_selected": "rgb(88, 72, 112)",
      "tab_text": "rgb(221, 221, 229)",
      "toolbar_bottom_separator": "rgba(61, 61, 132, 0)",
      "toolbar_field_separator": "rgba(240, 240, 245, 0)",
      "toolbar_top_separator": "rgba(240, 240, 244, 0)",
      "tab_loading": "rgba(232, 236, 242, 0.04)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1bc5c61c-bb1c-4977-bd66-4f72b931aabb}"
    }
  }
}