Examine source code of Art Deco Soft Green

{
  "name": "Art Deco Soft Green",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "leaves banner.jpg"
    },
    "colors": {
      "frame": "rgba(61, 69, 54, 1)",
      "tab_background_text": "rgba(204, 177, 2, 1)",
      "toolbar": "rgba(82, 94, 73, 0.9)",
      "bookmark_text": "rgba(204, 177, 2, 1)",
      "toolbar_field": "rgba(122, 108, 15, 0.79)",
      "toolbar_field_text": "rgba(227, 227, 227, 1)",
      "tab_line": "rgba(196, 160, 2, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b28cda62-1e09-40fc-9bbe-afb712ec7fa7}"
    }
  }
}