Examine source code of Pink Dev Animated

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Pink Dev Animated",
  "description": "Pink Dev Animated Theme For Firefox",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png",
        "images/1.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top",
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat",
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(39, 40, 60, 0.17)",
      "toolbar_text": "rgba(255, 196, 247, 0.76)",
      "frame": "rgb(3, 6, 23)",
      "tab_background_text": "rgb(255, 196, 247)",
      "toolbar_field": "rgba(70, 60, 101, 0.35)",
      "toolbar_field_text": "rgb(255, 196, 247)",
      "tab_line": "rgb(199, 103, 187)",
      "popup": "rgba(59, 57, 112, 0.95)",
      "popup_text": "rgb(255, 196, 247)",
      "button_background_active": "rgba(162, 235, 228, 0.27)",
      "button_background_hover": "rgba(188, 251, 246, 0.34)",
      "frame_inactive": "rgba(162, 235, 228, 0.27)",
      "icons": "rgb(255, 141, 240)",
      "ntp_text": "rgb(255, 141, 240)",
      "popup_highlight_text": "rgba(255, 196, 247, 0.76)",
      "sidebar_border": "rgba(162, 235, 228, 0.9)",
      "sidebar_text": "rgba(188, 251, 246, 0.9)",
      "sidebar": "rgb(3, 6, 23)",
      "tab_selected": "rgba(46, 41, 78, 0)",
      "tab_text": "rgba(255, 196, 247, 0.76)",
      "toolbar_field_highlight_text": "rgba(255, 196, 247, 0.76)",
      "toolbar_field_text_focus": "rgba(255, 196, 247, 0.76)",
      "tab_loading": "rgb(199, 103, 187)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "pink-dev-animated@pro-bandey.com"
    }
  }
}