Examine source code of Chrome-styled light

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Chrome-styled light",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgba(255, 255, 255, 0.78)",
      "toolbar_text": "rgb(75, 75, 75)",
      "frame": "rgb(200, 200, 200)",
      "tab_background_text": "rgb(75, 75, 75)",
      "toolbar_field": "rgb(226, 226, 226)",
      "toolbar_field_text": "rgb(75, 75, 75)",
      "tab_line": "rgba(248, 112, 140, 0)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(75, 75, 75)",
      "tab_loading": "rgba(248, 112, 140, 0)"
    }
  }
}