Examine source code of Pretty Shade

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Pretty Shade",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left bottom"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(217, 0, 190, 0.15)",
      "toolbar_text": "rgb(252, 229, 255)",
      "frame": "rgb(226, 0, 255)",
      "tab_background_text": "rgb(101, 0, 110)",
      "toolbar_field": "rgb(251, 214, 255)",
      "toolbar_field_text": "rgb(101, 0, 110)",
      "tab_line": "rgb(252, 229, 255)",
      "popup": "rgb(251, 214, 255)",
      "popup_text": "rgb(101, 0, 110)",
      "button_background_active": "rgba(252, 229, 255, 0.51)",
      "button_background_hover": "rgba(252, 229, 255, 0.36)",
      "ntp_background": "rgb(207, 94, 162)",
      "ntp_text": "rgb(101, 0, 110)",
      "sidebar": "rgb(223, 64, 160)",
      "tab_selected": "rgba(101, 0, 110, 0.32)",
      "tab_loading": "rgb(252, 229, 255)"
    }
  }
}