Examine source code of Dogs,cats

{
  "name": "Dogs,cats",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "lokesh2.0.jpg"
    },
    "colors": {
      "toolbar": "rgba(235, 69, 14, 0.26)",
      "toolbar_field_text": "rgba(30, 31, 30, 0.15)",
      "frame": "rgba(237, 43, 133, 0.91)",
      "tab_background_text": "rgba(168, 50, 50, 1)",
      "bookmark_text": "rgba(222, 22, 22, 1)"
    }
  }
}