{
  "css": {
    "properties": {
      "contain": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/contain",
          "spec_url": "https://drafts.csswg.org/css-contain/#contain-property",
          "tags": [
            "web-features:contain-size"
          ],
          "support": {
            "chrome": {
              "version_added": "52"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "69"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "15.4"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "content": {
          "__compat": {
            "spec_url": "https://drafts.csswg.org/css-contain/#valdef-contain-content",
            "support": {
              "chrome": {
                "version_added": "52"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "69"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "15.4"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "inline-size": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/contain#inline-size",
            "spec_url": "https://drafts.csswg.org/css-contain-2/#valdef-contain-inline-size",
            "tags": [
              "web-features:contain-inline-size"
            ],
            "support": {
              "chrome": {
                "version_added": "105"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "101"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "16"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "layout": {
          "__compat": {
            "spec_url": "https://drafts.csswg.org/css-contain/#valdef-contain-layout",
            "tags": [
              "web-features:contain-layout"
            ],
            "support": {
              "chrome": {
                "version_added": "52"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "69"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "15.4"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "none": {
          "__compat": {
            "spec_url": "https://drafts.csswg.org/css-contain/#valdef-contain-none",
            "support": {
              "chrome": {
                "version_added": "52"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "69"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "15.4"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "paint": {
          "__compat": {
            "spec_url": "https://drafts.csswg.org/css-contain/#valdef-contain-paint",
            "tags": [
              "web-features:contain-paint"
            ],
            "support": {
              "chrome": {
                "version_added": "52"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "69"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "15.4"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "size": {
          "__compat": {
            "spec_url": "https://drafts.csswg.org/css-contain/#valdef-contain-size",
            "tags": [
              "web-features:contain-size"
            ],
            "support": {
              "chrome": {
                "version_added": "52"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "69"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "15.4"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "strict": {
          "__compat": {
            "spec_url": "https://drafts.csswg.org/css-contain/#valdef-contain-strict",
            "support": {
              "chrome": {
                "version_added": "52"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "69"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "15.4"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "style": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/contain#style",
            "spec_url": "https://drafts.csswg.org/css-contain/#valdef-contain-style",
            "tags": [
              "web-features:contain-style"
            ],
            "support": {
              "chrome": {
                "version_added": "52",
                "notes": "Before Chrome 115, style containment did not affect quotes, see [bug 40592922](https://crbug.com/40592922)."
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "103"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "15.4",
                "notes": "Style containment does not affect quotes, see [bug 232083](https://webkit.org/b/232083)."
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      }
    }
  }
}