Examine source code of anime rain

{
  "name": "jjbjbjb",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "kok.gif"
    },
    "colors": {
      "frame": "rgba(69, 72, 77, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(242, 242, 242, 1)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)"
    }
  }
}