Examine source code of Dark-e

{
  "name": "Dark-e",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Dark-e.png"
    },
    "colors": {
      "frame": "rgba(26, 26, 26, 1)",
      "tab_background_text": "rgba(87, 87, 87, 1)",
      "toolbar": "rgba(110, 110, 110, 1)",
      "bookmark_text": "rgba(56, 56, 56, 1)",
      "toolbar_field": "rgba(179, 179, 179, 1)",
      "toolbar_field_text": "rgba(84, 84, 84, 1)"
    }
  }
}