Examine source code of Rainbows and Stars

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Rainbows and Stars",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png",
        "images/1.png",
        "images/2.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top",
        "left bottom",
        "right bottom"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat",
        "repeat",
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(36, 36, 36, 0.5)",
      "toolbar_text": "rgb(255, 0, 203)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(0, 255, 252)",
      "toolbar_field": "rgb(255, 0, 195)",
      "toolbar_field_text": "rgb(0, 255, 17)",
      "tab_line": "rgb(248, 112, 140)",
      "popup": "rgb(0, 255, 252)",
      "popup_text": "rgb(255, 0, 195)",
      "icons": "rgb(255, 0, 190)",
      "ntp_background": "rgb(0, 0, 0)",
      "ntp_text": "rgb(0, 255, 252)",
      "tab_loading": "rgb(248, 112, 140)"
    }
  }
}