Examine source code of Shiny-Umbreon-Animated

{
  "name": "Shiny-Umbreon-Animated",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "shiny_umbreon.gif"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(57, 146, 219, 1)",
      "toolbar": "rgba(15, 18, 17, 1)",
      "bookmark_text": "rgba(57, 146, 219, 1)",
      "toolbar_field": "rgba(30, 36, 34, 1)",
      "toolbar_field_text": "rgba(57, 146, 219, 1)",
      "tab_line": "rgba(48, 65, 71, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5b3b42e1-f6e2-4bf9-85b4-c601162d7648}"
    }
  }
}