Examine source code of TenguAndDog

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "TenguAndDog",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(145, 176, 193, 0.2)",
      "toolbar_text": "rgb(88, 100, 145)",
      "frame": "rgb(209, 229, 240)",
      "tab_background_text": "rgb(88, 100, 145)",
      "toolbar_field": "rgba(59, 111, 130, 0.2)",
      "toolbar_field_text": "rgb(88, 100, 145)",
      "tab_line": "rgb(88, 100, 145)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(88, 100, 145)",
      "button_background_active": "rgb(83, 97, 147)",
      "tab_loading": "rgb(88, 100, 145)"
    }
  }
}