Examine source code of Yellow Dreaming

{
  "name": "abstrakt201",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "abstrakt202.png"
    },
    "colors": {
      "frame": "rgba(145, 145, 145, 1)",
      "tab_background_text": "rgba(255, 234, 0, 1)",
      "toolbar": "rgba(117, 117, 117, 0.58)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(3, 3, 3, 0.42)",
      "toolbar_field_text": "rgba(255, 234, 0, 1)",
      "tab_line": "rgba(255, 242, 0, 0.64)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a9876d64-d278-457a-b847-4f9e668acd32}"
    }
  }
}