{
  "css": {
    "properties": {
      "position": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/position",
          "support": {
            "webview_android": {
              "version_added": true
            },
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "12"
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": {
              "version_added": "1",
              "notes": "Before Firefox 57, absolute positioning did not work correctly when applied to elements inside tables that have <a href='https://developer.mozilla.org/docs/Web/CSS/border-collapse'><code>border-collapse</code></a> applied to them (<a href='https://bugzil.la/1379306'>bug 1379306</a>)."
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "4",
              "notes": "In Internet Explorer, fixed positioning doesn't work if the document is in <a href='http://msdn.microsoft.com/en-us/library/ie/ms531140(v=vs.85).aspx'>quirks mode</a>."
            },
            "opera": {
              "version_added": "4"
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": "1"
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "fixed": {
          "__compat": {
            "description": "<code>fixed</code>",
            "support": {
              "webview_android": {
                "version_added": true
              },
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": "12"
              },
              "edge_mobile": {
                "version_added": null
              },
              "firefox": {
                "version_added": "1",
                "notes": "Before Firefox 44, <code>position: fixed</code> didn't create a stacking context in most cases. Firefox and the specification have been modified to mimic Chrome and Safari's long-time behavior."
              },
              "firefox_android": {
                "version_added": null
              },
              "ie": {
                "version_added": "7"
              },
              "opera": {
                "version_added": "4"
              },
              "opera_android": {
                "version_added": true
              },
              "safari": {
                "version_added": "1"
              },
              "safari_ios": {
                "version_added": null
              },
              "samsunginternet_android": {
                "version_added": true
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "sticky": {
          "__compat": {
            "description": "<code>sticky</code>",
            "support": {
              "webview_android": {
                "version_added": "56"
              },
              "chrome": {
                "version_added": "56"
              },
              "chrome_android": {
                "version_added": "56"
              },
              "edge": {
                "version_added": "16"
              },
              "edge_mobile": {
                "version_added": "16"
              },
              "firefox": [
                {
                  "version_added": "32"
                },
                {
                  "version_added": "26",
                  "version_removed": "48",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "layout.css.sticky.enabled",
                      "value_to_set": "true"
                    }
                  ]
                }
              ],
              "firefox_android": {
                "version_added": null
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "43"
              },
              "opera_android": {
                "version_added": "43"
              },
              "safari": {
                "prefix": "-webkit-",
                "version_added": "6.1"
              },
              "safari_ios": {
                "version_added": null
              },
              "samsunginternet_android": {
                "version_added": "6.0"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "position_absolute_table_elements": {
          "__compat": {
            "description": "Table elements as <code>absolute</code> positioning containers",
            "support": {
              "webview_android": {
                "version_added": null
              },
              "chrome": {
                "version_added": null
              },
              "chrome_android": {
                "version_added": null
              },
              "edge": {
                "version_added": null
              },
              "edge_mobile": {
                "version_added": null
              },
              "firefox": {
                "version_added": "30",
                "notes": "Firefox helps developers transition to the new behavior and detect any rendering issues it may cause on their sites by printing the following warning to the JavaScript console: &quot;Absolute positioning of table rows and row groups is now supported. This site may need to be updated because it may depend on this feature having no effect.&quot;"
              },
              "firefox_android": {
                "version_added": "30",
                "notes": "Firefox helps developers transition to the new behavior and detect any rendering issues it may cause on their sites by printing the following warning to the JavaScript console: &quot;Absolute positioning of table rows and row groups is now supported. This site may need to be updated because it may depend on this feature having no effect.&quot;"
              },
              "ie": {
                "version_added": null
              },
              "opera": {
                "version_added": null
              },
              "opera_android": {
                "version_added": null
              },
              "safari": {
                "version_added": null
              },
              "safari_ios": {
                "version_added": null
              },
              "samsunginternet_android": {
                "version_added": null
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "position_sticky_table_elements": {
          "__compat": {
            "description": "Table elements as <code>sticky</code> positioning containers",
            "support": {
              "webview_android": {
                "version_added": false
              },
              "chrome": {
                "version_added": false
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": {
                "version_added": null
              },
              "edge_mobile": {
                "version_added": null
              },
              "firefox": {
                "version_added": "59"
              },
              "firefox_android": {
                "version_added": "59"
              },
              "ie": {
                "version_added": null
              },
              "opera": {
                "version_added": false
              },
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": null
              },
              "safari_ios": {
                "version_added": null
              },
              "samsunginternet_android": {
                "version_added": false
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      }
    }
  }
}