Examine source code of Dark_Blues

{
  "name": "Dark Blues",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "Untitlednnjjnn.jpg"
    },
    "colors": {
      "toolbar": "rgba(8, 8, 38, 1)",
      "toolbar_field": "rgba(8, 8, 38, 1)",
      "toolbar_field_text": "rgba(8, 8, 38, 1)",
      "frame": "rgba(8, 8, 38, 1)",
      "tab_background_text": "rgba(179, 179, 179, 1)",
      "bookmark_text": "rgba(201, 201, 214, 1)"
    }
  }
}