Examine source code of Nega Ubuntu Gradient

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Nega Ubuntu Gradient",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right bottom"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(65, 45, 56)",
      "toolbar_text": "rgb(248, 112, 140)",
      "frame": "rgb(49, 34, 43)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(53, 34, 44)",
      "toolbar_field_text": "rgb(215, 219, 227)",
      "tab_line": "rgb(71, 12, 242)",
      "popup": "rgb(53, 34, 44)",
      "popup_text": "rgb(245, 219, 239)",
      "button_background_active": "rgb(91, 8, 255)",
      "button_background_hover": "rgb(71, 12, 242)",
      "icons_attention": "rgb(0, 255, 252)",
      "ntp_background": "rgb(39, 32, 34)",
      "ntp_text": "rgb(239, 230, 215)",
      "popup_border": "rgb(228, 79, 16)",
      "sidebar_border": "rgb(228, 79, 16)",
      "sidebar_text": "rgb(245, 219, 239)",
      "sidebar": "rgb(73, 53, 64)",
      "toolbar_bottom_separator": "rgb(124, 83, 111)",
      "toolbar_field_border_focus": "rgb(228, 79, 16)",
      "toolbar_field_highlight": "rgb(228, 79, 16)",
      "tab_loading": "rgb(71, 12, 242)"
    }
  }
}