{
  "css": {
    "selectors": {
      "invalid": {
        "__compat": {
          "description": "`:invalid`",
          "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/Reference/Selectors/:invalid",
          "spec_url": [
            "https://html.spec.whatwg.org/multipage/semantics-other.html#selector-invalid",
            "https://drafts.csswg.org/selectors/#invalid-pseudo"
          ],
          "tags": [
            "web-features:form-validity-pseudos"
          ],
          "support": {
            "chrome": {
              "version_added": "10"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "4"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "10"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "5"
            },
            "safari_ios": {
              "version_added": "5"
            },
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "37"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "form": {
          "__compat": {
            "description": "Applies to `<form>` elements",
            "tags": [
              "web-features:form-validity-pseudos"
            ],
            "support": {
              "chrome": {
                "version_added": "40"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "13"
              },
              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "9"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      }
    }
  }
}