Examine source code of powerpuff buttercup

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "powerpuff buttercup",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(233, 237, 240)",
      "toolbar_text": "rgb(20, 4, 123)",
      "frame": "rgb(14, 112, 170)",
      "tab_background_text": "rgb(247, 246, 255)",
      "toolbar_field": "rgb(250, 255, 214)",
      "toolbar_field_text": "rgba(170, 84, 10, 0.94)",
      "tab_line": "rgb(255, 234, 0)",
      "popup": "rgb(209, 236, 255)",
      "popup_text": "rgb(81, 4, 20)",
      "ntp_background": "rgba(200, 16, 0, 0.94)",
      "tab_loading": "rgb(255, 234, 0)"
    }
  }
}