Examine source code of Yuuna Chan

{
  "name": "Yuuna Chan",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "828195.png"
    },
    "colors": {
      "frame": "rgba(185, 91, 235, 1)",
      "tab_background_text": "rgba(200, 155, 235, 1)",
      "toolbar": "rgba(130, 39, 209, 0)",
      "bookmark_text": "rgba(156, 118, 232, 1)",
      "toolbar_field": "rgba(254, 250, 255, 1)",
      "toolbar_field_text": "rgba(202, 150, 230, 1)"
    }
  }
}