Examine source code of Disappearing White

{
  "theme": {
    "colors": {
      "tab_selected": "#ffffff",
      "toolbar": "#ffffff",
      "frame": "#ffffff",
      "tab_background_text": "#c0c0c0",
      "sidebar": "#ffffff",
      "sidebar_text": "#c0c0c0",
      "sidebar_highlight": "#c0c0c0",
      "sidebar_highlight_text": "#ffffff",
      "tab_background_separator": "#ffffff",
      "button_background_active": "#dadada",
      "button_background_hover": "#8a8a8a",
      "icons": "#c0c0c0",
      "icons_attention": "#6f6f6f",
      "popup": "#ffffff",
      "popup_border": "#c0c0c0",
      "popup_highlight": "#c0c0c0",
      "popup_highlight_text": "#ffffff",
      "popup_text": "#c0c0c0",
      "tab_line": "#c0c0c0",
      "tab_loading": "#c0c0c0",
      "toolbar_bottom_separator": "#ffffff",
      "sidebar_border": "#ffffff",
      "toolbar_field": "#ffffff",
      "toolbar_field_border": "#ffffff",
      "toolbar_field_border_focus": "#c0c0c0",
      "toolbar_field_focus": "#ffffff",
      "toolbar_field_text": "#c0c0c0",
      "toolbar_field_text_focus": "#c0c0c0",
      "toolbar_field_highlight": "#c0c0c0",
      "toolbar_field_highlight_text": "#ffffff",
      "toolbar_field_separator": "#ffffff",
      "toolbar_text": "#c0c0c0",
      "toolbar_top_separator": "#ffffff",
      "toolbar_vertical_separator": "#ffffff"
    }
  },
  "name": "Disappearing White",
  "manifest_version": 2,
  "version": "1.0",
  "description": "This theme was created using Ultimate theme creator"
}