{
  "css": {
    "selectors": {
      "placeholder": {
        "__compat": {
          "description": "<code>::placeholder</code>",
          "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/::placeholder",
          "support": {
            "webview_android": [
              {
                "version_added": "57"
              },
              {
                "prefix": "-webkit-",
                "version_added": "2.1"
              }
            ],
            "chrome": [
              {
                "version_added": "57"
              },
              {
                "prefix": "-webkit-",
                "version_added": true
              }
            ],
            "chrome_android": [
              {
                "version_added": "57"
              },
              {
                "prefix": "-webkit-",
                "version_added": true
              }
            ],
            "edge": {
              "prefix": "-webkit-",
              "version_added": true
            },
            "edge_mobile": {
              "prefix": "-webkit-",
              "version_added": true
            },
            "firefox": [
              {
                "version_added": "51"
              },
              {
                "prefix": "-moz-",
                "version_added": "19"
              }
            ],
            "firefox_android": [
              {
                "version_added": "51"
              },
              {
                "prefix": "-moz-",
                "version_added": "19"
              }
            ],
            "ie": {
              "prefix": "-ms-",
              "version_added": "10"
            },
            "opera": [
              {
                "version_added": "44"
              },
              {
                "prefix": "-webkit-",
                "version_added": true
              }
            ],
            "opera_android": {
              "prefix": "-webkit-",
              "version_added": "37"
            },
            "safari": [
              {
                "version_added": "10.1"
              },
              {
                "prefix": "-webkit-",
                "version_added": "5"
              }
            ],
            "safari_ios": [
              {
                "version_added": "10.3"
              },
              {
                "prefix": "-webkit-",
                "version_added": "4.3"
              }
            ],
            "samsunginternet_android": [
              {
                "version_added": "7.0"
              },
              {
                "prefix": "-webkit-",
                "version_added": true
              }
            ]
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}