Examine source code of Grey with Clearview tab

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Grey with Clearview tab",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(210, 210, 210)",
      "toolbar_text": "rgb(65, 65, 65)",
      "frame": "rgb(230, 230, 230)",
      "tab_background_text": "rgb(116, 116, 116)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(116, 116, 116)",
      "tab_line": "rgb(210, 210, 210)",
      "popup": "rgb(230, 230, 230)",
      "popup_text": "rgb(140, 140, 140)",
      "button_background_active": "rgb(225, 191, 120)",
      "tab_selected": "rgb(215, 184, 118)",
      "tab_loading": "rgb(210, 210, 210)"
    }
  }
}