[{
  "action" : {
    "type" : "css-display-none",
    "selector" : "body{"
  },
  "trigger" : {
    "url-filter" : ".*"
  }
},{
  "action" : {
    "type" : "css-display-none",
    "selector" : ".valid-selector"
  },
  "trigger" : {
    "url-filter" : ".*"
  }
},{
  "action" : {
    "type" : "css-display-none",
    "selector" : ".body{"
  },
  "trigger" : {
    "url-filter" : ".*"
  }
},{
  "action":{
	 "type":"css-display-none",
	 "selector":"body{background-image: url(http://127.0.0.1:8000/resources/square100.png)}"
  },
  "trigger":{
	 "url-filter":"html"
  }
},{
  "action" : {
    "type" : "css-display-none",
    "selector" : ".non-universal-valid-selector"
  },
  "trigger" : {
    "url-filter" : "invalid-selector\\.html"
  }
}]