var advertisingCSSRules = [{
  "trigger": {
    "url-filter": ".*"
  },
  "action": {
    "type": "css-display-none",
    "selector":
      ".ad-promotions-container,\
      .ad-wide,\
      .ad-top"
  }
}];

var advertisingCSSRules = [{
  "trigger": {
    "url-filter": ".*"
  },
  "action": {
    "type": "css-display-none",
    "selector":
      ".ad-promotions-container,\
      .ad-wide,\
      .ad-top,\
      #bottomads"
  }
}];

Hide google search bottom ads
Hide google search bottom ads
