{
 "notes": "", 
 "support": {
  "Android Browser": "y 67", 
  "Baidu Browser": "n 7.12", 
  "Blackberry Browser": "n 10", 
  "Chrome": "y 49", 
  "Chrome for Android": "y 74", 
  "Edge": "y 16", 
  "Firefox": "y 31", 
  "Firefox for Android": "y 66", 
  "IE": "n 11", 
  "IE Mobile": "n 11", 
  "KaiOS Browser": "y 2.5", 
  "Opera": "y 36", 
  "Opera Mini": "n all", 
  "Opera Mobile": "y 46", 
  "QQ Browser": "n 1.2", 
  "Safari": "y 9.1", 
  "Samsung Internet": "y 5.0", 
  "UC Browser for Android": "y 11.8", 
  "iOS Safari": "y 9.3"
 }, 
 "url": "https://www.w3.org/TR/css-variables/"
}