Examine source code of Haikyuu ! !

{
  "name": "Haikyuu ! !",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "1d77ad23e81d361b6bec48cb6c617447.jpg"
    },
    "colors": {
      "frame": "rgba(201, 214, 240, 1)",
      "tab_background_text": "rgba(23, 21, 21, 1)",
      "toolbar": "rgba(197, 215, 217, 1)",
      "bookmark_text": "rgba(23, 7, 7, 1)",
      "toolbar_field": "rgba(255, 255, 255, 1)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(252, 252, 252, 1)"
    }
  }
}