Examine source code of Black N Gold

{
  "name": "Black N Gold",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "9k=~2.jpg"
    },
    "colors": {
      "frame": "rgba(25, 27, 31, 1)",
      "tab_background_text": "rgba(189, 24, 24, 1)",
      "toolbar": "rgba(120, 171, 19, 0.62)",
      "bookmark_text": "rgba(235, 57, 21, 0.79)",
      "toolbar_field": "rgba(196, 191, 35, 1)"
    }
  }
}