Examine source code of Paper Star ☆

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Paper Star ☆",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(210, 208, 203, 0)",
      "toolbar_text": "rgb(24, 20, 126)",
      "frame": "rgb(210, 208, 203)",
      "tab_background_text": "rgb(24, 20, 126)",
      "toolbar_field": "rgba(210, 208, 203, 0)",
      "toolbar_field_text": "rgb(24, 20, 126)",
      "tab_line": "rgb(255, 255, 255)",
      "popup": "rgb(210, 208, 203)",
      "popup_text": "rgb(24, 20, 126)",
      "button_background_active": "rgb(24, 20, 126)",
      "button_background_hover": "rgba(181, 176, 200, 0.96)",
      "frame_inactive": "rgb(210, 208, 203)",
      "ntp_background": "rgb(210, 208, 203)",
      "popup_border": "rgb(210, 208, 203)",
      "toolbar_field_highlight_text": "rgb(255, 255, 255)",
      "toolbar_field_highlight": "rgb(24, 20, 126)",
      "toolbar_top_separator": "rgba(24, 20, 126, 0)",
      "tab_loading": "rgb(255, 255, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{df8a3f95-634f-48db-b785-d11f0e355611}"
    }
  }
}