Examine source code of Angel Duster

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "angel dust",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(200, 196, 246, 0.45)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(114, 208, 220)",
      "tab_background_text": "rgb(92, 92, 92)",
      "toolbar_field": "rgba(122, 163, 165, 0.61)",
      "toolbar_field_text": "rgba(255, 255, 255, 0.58)",
      "tab_line": "rgba(233, 238, 74, 0.34)",
      "popup": "rgba(218, 218, 218, 0.74)",
      "popup_text": "rgba(31, 131, 167, 0.98)",
      "button_background_active": "rgba(157, 218, 211, 0.17)",
      "button_background_hover": "rgba(82, 217, 206, 0.18)",
      "icons_attention": "rgba(33, 33, 33, 0.34)",
      "icons": "rgb(255, 255, 255)",
      "ntp_text": "rgb(244, 244, 255)",
      "sidebar_highlight_text": "rgba(41, 41, 41, 0.65)",
      "sidebar_highlight": "rgba(65, 119, 129, 0.24)",
      "sidebar_text": "rgb(0, 0, 0)",
      "sidebar": "rgb(220, 220, 220)",
      "tab_background_separator": "rgb(0, 0, 0)",
      "tab_selected": "rgba(35, 138, 169, 0.06)",
      "tab_text": "rgba(255, 255, 255, 0.99)",
      "tab_loading": "rgba(233, 238, 74, 0.34)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8abb642f-cbff-4186-bb53-9fbc43e54489}"
    }
  }
}