Examine source code of Regulus Black

{
  "name": "24d390450d4672a52c2112949123d464",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "759b4dc67e60e6b73f5a59def3753f2f (4).jpg"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(161, 143, 112, 1)",
      "toolbar": "rgba(52, 64, 55, 1)",
      "bookmark_text": "rgba(227, 204, 166, 1)",
      "toolbar_field": "rgba(0, 0, 0, 1)",
      "toolbar_field_text": "rgba(230, 216, 175, 1)",
      "tab_line": "rgba(74, 94, 66, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{adb604c5-c006-4101-96a7-c1ea23bdc4d0}"
    }
  }
}