{
  "css": {
    "properties": {
      "bottom": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/bottom",
          "spec_url": "https://drafts.csswg.org/css-position/#insets",
          "tags": [
            "web-features:physical-properties"
          ],
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "5",
              "notes": "In Internet Explorer versions before 7, when both `top` and `bottom` are specified, the element position is overconstrained and the `top` property has precedence; the computed value of `bottom` is set to `-top`, while its specified value is ignored."
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "6"
            },
            "opera_android": "mirror",
            "safari": {
              "version_added": "1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "anchor": {
          "__compat": {
            "description": "`anchor()`",
            "spec_url": "https://drafts.csswg.org/css-anchor-position-1/#anchor-pos",
            "tags": [
              "web-features:anchor-positioning"
            ],
            "support": {
              "chrome": {
                "version_added": "125"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false,
                "impl_url": "https://bugzil.la/1838746"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": true,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "anchor-size": {
          "__compat": {
            "description": "`anchor-size()`",
            "spec_url": "https://drafts.csswg.org/css-anchor-position-1/#anchor-size-fn",
            "tags": [
              "web-features:anchor-positioning"
            ],
            "support": {
              "chrome": {
                "version_added": "132"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": true,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "auto": {
          "__compat": {
            "spec_url": "https://drafts.csswg.org/css-position-3/#valdef-top-auto",
            "tags": [
              "web-features:physical-properties"
            ],
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "≤11"
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "1"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      }
    }
  }
}