Examine source code of Cheer Bear

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Cheer Bear",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(208, 221, 247, 0.37)",
      "toolbar_text": "rgb(182, 137, 171)",
      "frame": "rgb(182, 137, 171)",
      "tab_background_text": "rgb(118, 138, 117)",
      "toolbar_field": "rgba(239, 188, 188, 0.29)",
      "toolbar_field_text": "rgba(144, 52, 120, 0.29)",
      "tab_line": "rgba(249, 157, 225, 0.29)",
      "popup": "rgba(65, 85, 190, 0.27)",
      "popup_text": "rgba(61, 46, 134, 0.27)",
      "icons": "rgb(143, 166, 178)",
      "ntp_background": "rgb(161, 179, 190)",
      "tab_loading": "rgba(249, 157, 225, 0.29)"
    }
  }
}