Examine source code of Pixel Palms

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Pixel Sky",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(7, 50, 84, 0)",
      "toolbar_text": "rgb(18, 132, 39)",
      "frame": "rgb(14, 41, 65)",
      "tab_background_text": "rgb(24, 156, 180)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(41, 162, 8)",
      "tab_line": "rgb(67, 194, 218)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(24, 156, 180)",
      "icons": "rgb(72, 145, 202)",
      "ntp_background": "rgb(61, 161, 237)",
      "ntp_text": "rgba(46, 105, 29, 0)",
      "tab_loading": "rgb(67, 194, 218)"
    }
  }
}