Examine source code of Modern Purple

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Modern Purple",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left center"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(225, 0, 255, 0.26)",
      "toolbar_text": "rgb(212, 115, 255)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(222, 168, 246)",
      "toolbar_field": "rgba(91, 49, 109, 0.76)",
      "toolbar_field_text": "rgb(212, 115, 255)",
      "tab_line": "rgb(212, 115, 255)",
      "popup": "rgb(91, 49, 109)",
      "popup_text": "rgb(212, 115, 255)",
      "button_background_active": "rgba(226, 52, 220, 0.87)",
      "button_background_hover": "rgba(206, 109, 173, 0.68)",
      "icons": "rgb(0, 0, 0)",
      "ntp_background": "rgb(91, 49, 109)",
      "ntp_text": "rgb(212, 115, 255)",
      "popup_border": "rgb(212, 115, 255)",
      "sidebar_text": "rgb(243, 181, 255)",
      "sidebar": "rgb(91, 49, 109)",
      "tab_loading": "rgb(212, 115, 255)"
    }
  }
}