Examine source code of Happy Rin

{
  "name": "Happy Rin GIF",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "91044(2).gif"
    },
    "colors": {
      "frame": "rgba(158, 71, 24, 1)",
      "tab_background_text": "rgba(20, 144, 173, 1)",
      "toolbar": "rgba(0, 0, 0, 0.27)",
      "bookmark_text": "rgba(20, 144, 173, 1)",
      "toolbar_field": "rgba(0, 0, 0, 0)",
      "toolbar_field_text": "rgba(20, 144, 173, 1)"
    }
  }
}