e-Sewa Balance Amount Hider

It hides your balance of esewa with a click. You can use it for free. You can also create a apparent amount which is 180 for prank and while loading the amount might be seen but click on the icon as son as possible. There are 3 buttons.
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manifest.json
{
  "description": "Adds a browser action icon to the toolbar. Click the button to choose a beast. The active tab's body content is then replaced with a picture of the chosen beast. See https://developer.mozilla.org/en-US/Add-ons/WebExtensions/Examples#beastify",
  "manifest_version": 2,
  "name": "Beastify",
  "version": "1.0",
  "homepage_url": "https://github.com/mdn/webextensions-examples/tree/master/beastify",
  "icons": {
    "48": "icons/icon.png"
  },
  "permissions": [
    "activeTab"
  ],
  "browser_action": {
    "default_title": "Beastify",
    "default_popup": "popup/choose_beast.html"
  },
  "web_accessible_resources": [
    "beasts/*.jpg"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{ed2d832f-a0da-42d7-b836-2a8e709894e1}"
    }
  }
}