Examine source code of Long Drive (Animated)

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Long Drive (Animated)",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(42, 42, 45)",
      "toolbar_text": "rgb(241, 239, 233)",
      "frame": "rgb(24, 26, 27)",
      "tab_background_text": "rgb(220, 219, 213)",
      "toolbar_field": "rgba(54, 56, 58, 0.42)",
      "toolbar_field_text": "rgb(241, 239, 233)",
      "tab_line": "rgb(111, 172, 98)",
      "popup": "rgb(52, 53, 55)",
      "popup_text": "rgb(248, 248, 245)",
      "button_background_hover": "rgb(28, 30, 30)",
      "icons": "rgb(125, 157, 108)",
      "ntp_background": "rgb(33, 35, 35)",
      "tab_selected": "rgba(62, 85, 69, 0.76)",
      "toolbar_field_border": "rgb(86, 93, 84)",
      "tab_loading": "rgb(111, 172, 98)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{28f5d2ae-2aa6-4ff7-9435-3555634d6578}"
    }
  }
}