Examine source code of Paper white

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "white",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(244, 235, 233, 0.52)",
      "toolbar_text": "rgb(13, 12, 12)",
      "frame": "rgb(248, 243, 242)",
      "tab_background_text": "rgb(14, 13, 13)",
      "toolbar_field": "rgba(158, 149, 148, 0.46)",
      "toolbar_field_text": "rgb(11, 11, 11)",
      "tab_line": "rgb(255, 255, 255)",
      "popup": "rgba(253, 248, 247, 0.82)",
      "popup_text": "rgb(15, 6, 6)",
      "ntp_background": "rgb(189, 185, 185)",
      "sidebar_text": "rgb(18, 17, 17)",
      "sidebar": "rgb(248, 244, 243)",
      "tab_loading": "rgb(255, 255, 255)"
    }
  }
}