Examine source code of Drift Away

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "drift away",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(40, 165, 203, 0.25)",
      "toolbar_text": "rgb(151, 151, 151)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(162, 82, 102)",
      "toolbar_field": "rgba(127, 102, 146, 0.22)",
      "toolbar_field_text": "rgba(235, 215, 252, 0.58)",
      "tab_line": "rgba(249, 169, 195, 0.6)",
      "popup": "rgba(37, 61, 73, 0.74)",
      "popup_text": "rgba(214, 214, 214, 0.98)",
      "button_background_active": "rgba(102, 237, 10, 0.17)",
      "button_background_hover": "rgba(210, 217, 82, 0.37)",
      "icons_attention": "rgba(186, 255, 128, 0.69)",
      "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(249, 169, 195, 0.6)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f2481aa0-57c3-4ea8-9eb8-4d17dcaac74e}"
    }
  }
}