Examine source code of Chilling

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Chilling",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(67, 69, 79)",
      "toolbar_text": "rgb(209, 213, 216)",
      "frame": "rgb(52, 58, 68)",
      "tab_background_text": "rgb(204, 211, 222)",
      "toolbar_field": "rgb(67, 70, 78)",
      "toolbar_field_text": "rgb(155, 162, 171)",
      "tab_line": "rgb(65, 65, 65)",
      "popup": "rgb(67, 69, 79)",
      "popup_text": "rgb(204, 211, 222)",
      "frame_inactive": "rgb(52, 58, 68)",
      "icons_attention": "rgb(209, 213, 216)",
      "ntp_background": "rgb(67, 69, 79)",
      "popup_border": "rgb(67, 69, 79)",
      "sidebar": "rgb(255, 255, 255)",
      "tab_loading": "rgb(65, 65, 65)"
    }
  }
}