Examine source code of Fire Dream

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Fire Dream",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(225, 234, 239, 0)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(255, 255, 255)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(255, 255, 255)",
      "popup": "rgb(24, 57, 85)",
      "popup_text": "rgb(255, 255, 255)",
      "button_background_active": "rgba(255, 255, 255, 0.47)",
      "button_background_hover": "rgba(255, 255, 255, 0.45)",
      "icons_attention": "rgb(255, 255, 255)",
      "icons": "rgb(255, 255, 255)",
      "ntp_text": "rgb(255, 255, 255)",
      "popup_border": "rgb(231, 45, 20)",
      "popup_highlight": "rgb(231, 45, 20)",
      "sidebar_border": "rgb(231, 45, 20)",
      "sidebar_highlight": "rgb(231, 45, 20)",
      "tab_selected": "rgba(255, 255, 255, 0.31)",
      "toolbar_bottom_separator": "rgb(0, 0, 0)",
      "toolbar_field_border": "rgb(0, 0, 0)",
      "tab_loading": "rgb(255, 255, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f377571f-3ff3-4c12-8e7b-8f718fe38af7}"
    }
  }
}