Examine source code of MHA-Rivals

{
  "name": "MHA-Rivals",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Wallpaper.jpg"
    },
    "colors": {
      "frame": "rgba(222, 24, 24, 0.99)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(0, 252, 92, 0)",
      "bookmark_text": "rgba(38, 16, 16, 0.85)",
      "toolbar_field": "rgba(189, 61, 61, 0.37)",
      "toolbar_field_text": "rgba(252, 10, 10, 1)"
    }
  }
}