Examine source code of Dark grey toolbar Windows

{
  "name": "Dark grey toolbar Windows",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "titleimg.png"
    },
    "colors": {
      "frame": "rgba(127, 125, 124, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(255, 255, 255, 1)",
      "bookmark_text": "rgba(110, 110, 110, 1)",
      "toolbar_field": "rgba(241, 243, 244, 1)",
      "toolbar_field_text": "rgba(35, 35, 35, 1)",
      "tab_line": "rgba(255, 255, 255, 0)"
    }
  }
}