Examine source code of Dark Ice

{
  "name": "Dark Ice",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "colors": {
      "frame": "#464248",
      "tab_background_text": "#C6C3C9",
      "tab_background_separator": "#464248",
      "tab_selected": "#2B4FCE",
      "tab_line": "#2B4FCE",
      "tab_loading": "#2B4FCE",
      "tab_text": "#FFFFFF",
      "icons": "#407CF0",
      "icons_attention": "#407CF0",
      "toolbar": "#464248",
      "bookmark_text": "#B5B5B5",
      "toolbar_vertical_separator": "#AEA08B",
      "toolbar_top_separator": "#464248",
      "toolbar_bottom_separator": "#464248",
      "toolbar_field": "#66636A",
      "toolbar_field_text": "#B5B5B5",
      "toolbar_field_separator": "#AEA08B",
      "toolbar_field_border": "#66636A",
      "toolbar_field_focus": "#66636A",
      "toolbar_field_border_focus": "#407CF0",
      "toolbar_field_text_focus": "#FAFAFA",
      "popup": "#66636A",
      "popup_text": "#FAFAFA",
      "popup_border": "#407CF0",
      "popup_highlight": "#2B4FCE",
      "popup_highlight_text": "#FFFFFF",
      "sidebar": "#66636A",
      "sidebar_text": "#FAFAFA",
      "sidebar_highlight": "#2B4FCE",
      "sidebar_highlight_text": "#FFFFFF",
      "sidebar_border": "#407CF0"
    }
  }
}