Examine source code of STRAYKIDS 5STAR

{
  "name": "STRAYKIDS 5STAR",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "1.jpg"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(214, 214, 214, 1)",
      "toolbar": "rgba(97, 97, 97, 0.54)",
      "bookmark_text": "rgba(219, 219, 219, 1)",
      "toolbar_field": "rgba(166, 166, 166, 0.58)",
      "toolbar_field_text": "rgba(189, 189, 189, 1)",
      "tab_line": "rgba(199, 199, 199, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ceefe0b4-2b1e-4ce2-8aa7-2230d9b0a754}"
    }
  }
}