{
  "css": {
    "types": {
      "attr": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/attr",
          "description": "<code>attr()</code>",
          "support": {
            "chrome": {
              "version_added": "2"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "8"
            },
            "opera": {
              "version_added": "9"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "3.1"
            },
            "safari_ios": {
              "version_added": "3.1"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "≤37"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "fallback": {
          "__compat": {
            "description": "&lt;fallback&gt;",
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": {
                "version_added": false
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": false
              },
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": false
              },
              "webview_android": {
                "version_added": false
              }
            },
            "status": {
              "experimental": true,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "type-or-unit": {
          "__compat": {
            "description": "&lt;type-or-unit&gt;",
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": {
                "version_added": false
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": false
              },
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": false
              },
              "webview_android": {
                "version_added": false
              }
            },
            "status": {
              "experimental": true,
              "standard_track": true,
              "deprecated": false
            }
          },
          "angle": {
            "__compat": {
              "description": "&lt;angle&gt;",
              "support": {
                "chrome": {
                  "version_added": false
                },
                "chrome_android": {
                  "version_added": false
                },
                "edge": {
                  "version_added": false
                },
                "firefox": {
                  "version_added": false
                },
                "firefox_android": {
                  "version_added": false
                },
                "ie": {
                  "version_added": false
                },
                "opera": {
                  "version_added": false
                },
                "opera_android": {
                  "version_added": false
                },
                "safari": {
                  "version_added": false
                },
                "safari_ios": {
                  "version_added": false
                },
                "samsunginternet_android": {
                  "version_added": false
                },
                "webview_android": {
                  "version_added": false
                }
              },
              "status": {
                "experimental": true,
                "standard_track": true,
                "deprecated": false
              }
            }
          },
          "color": {
            "__compat": {
              "description": "&lt;color&gt;",
              "support": {
                "chrome": {
                  "version_added": false
                },
                "chrome_android": {
                  "version_added": false
                },
                "edge": {
                  "version_added": false
                },
                "firefox": {
                  "version_added": false
                },
                "firefox_android": {
                  "version_added": false
                },
                "ie": {
                  "version_added": false
                },
                "opera": {
                  "version_added": false
                },
                "opera_android": {
                  "version_added": false
                },
                "safari": {
                  "version_added": false
                },
                "safari_ios": {
                  "version_added": false
                },
                "samsunginternet_android": {
                  "version_added": false
                },
                "webview_android": {
                  "version_added": false
                }
              },
              "status": {
                "experimental": true,
                "standard_track": true,
                "deprecated": false
              }
            }
          },
          "frequency": {
            "__compat": {
              "description": "&lt;frequency&gt;",
              "support": {
                "chrome": {
                  "version_added": false
                },
                "chrome_android": {
                  "version_added": false
                },
                "edge": {
                  "version_added": false
                },
                "firefox": {
                  "version_added": false
                },
                "firefox_android": {
                  "version_added": false
                },
                "ie": {
                  "version_added": false
                },
                "opera": {
                  "version_added": false
                },
                "opera_android": {
                  "version_added": false
                },
                "safari": {
                  "version_added": false
                },
                "safari_ios": {
                  "version_added": false
                },
                "samsunginternet_android": {
                  "version_added": false
                },
                "webview_android": {
                  "version_added": false
                }
              },
              "status": {
                "experimental": true,
                "standard_track": true,
                "deprecated": false
              }
            }
          },
          "integer": {
            "__compat": {
              "description": "&lt;integer&gt;",
              "support": {
                "chrome": {
                  "version_added": false
                },
                "chrome_android": {
                  "version_added": false
                },
                "edge": {
                  "version_added": false
                },
                "firefox": {
                  "version_added": false
                },
                "firefox_android": {
                  "version_added": false
                },
                "ie": {
                  "version_added": false
                },
                "opera": {
                  "version_added": false
                },
                "opera_android": {
                  "version_added": false
                },
                "safari": {
                  "version_added": false
                },
                "safari_ios": {
                  "version_added": false
                },
                "samsunginternet_android": {
                  "version_added": false
                },
                "webview_android": {
                  "version_added": false
                }
              },
              "status": {
                "experimental": true,
                "standard_track": true,
                "deprecated": false
              }
            }
          },
          "length": {
            "__compat": {
              "description": "&lt;length&gt;",
              "support": {
                "chrome": {
                  "version_added": false
                },
                "chrome_android": {
                  "version_added": false
                },
                "edge": {
                  "version_added": false
                },
                "firefox": {
                  "version_added": false
                },
                "firefox_android": {
                  "version_added": false
                },
                "ie": {
                  "version_added": false
                },
                "opera": {
                  "version_added": false
                },
                "opera_android": {
                  "version_added": false
                },
                "safari": {
                  "version_added": false
                },
                "safari_ios": {
                  "version_added": false
                },
                "samsunginternet_android": {
                  "version_added": false
                },
                "webview_android": {
                  "version_added": false
                }
              },
              "status": {
                "experimental": true,
                "standard_track": true,
                "deprecated": false
              }
            }
          },
          "number": {
            "__compat": {
              "description": "&lt;number&gt;",
              "support": {
                "chrome": {
                  "version_added": false
                },
                "chrome_android": {
                  "version_added": false
                },
                "edge": {
                  "version_added": false
                },
                "firefox": {
                  "version_added": false
                },
                "firefox_android": {
                  "version_added": false
                },
                "ie": {
                  "version_added": false
                },
                "opera": {
                  "version_added": false
                },
                "opera_android": {
                  "version_added": false
                },
                "safari": {
                  "version_added": false
                },
                "safari_ios": {
                  "version_added": false
                },
                "samsunginternet_android": {
                  "version_added": false
                },
                "webview_android": {
                  "version_added": false
                }
              },
              "status": {
                "experimental": true,
                "standard_track": true,
                "deprecated": false
              }
            }
          },
          "percentage": {
            "__compat": {
              "description": "&lt;percentage&gt;",
              "support": {
                "chrome": {
                  "version_added": false
                },
                "chrome_android": {
                  "version_added": false
                },
                "edge": {
                  "version_added": false
                },
                "firefox": {
                  "version_added": false
                },
                "firefox_android": {
                  "version_added": false
                },
                "ie": {
                  "version_added": false
                },
                "opera": {
                  "version_added": false
                },
                "opera_android": {
                  "version_added": false
                },
                "safari": {
                  "version_added": false
                },
                "safari_ios": {
                  "version_added": false
                },
                "samsunginternet_android": {
                  "version_added": false
                },
                "webview_android": {
                  "version_added": false
                }
              },
              "status": {
                "experimental": true,
                "standard_track": true,
                "deprecated": false
              }
            }
          },
          "time": {
            "__compat": {
              "description": "&lt;time&gt;",
              "support": {
                "chrome": {
                  "version_added": false
                },
                "chrome_android": {
                  "version_added": false
                },
                "edge": {
                  "version_added": false
                },
                "firefox": {
                  "version_added": false
                },
                "firefox_android": {
                  "version_added": false
                },
                "ie": {
                  "version_added": false
                },
                "opera": {
                  "version_added": false
                },
                "opera_android": {
                  "version_added": false
                },
                "safari": {
                  "version_added": false
                },
                "safari_ios": {
                  "version_added": false
                },
                "samsunginternet_android": {
                  "version_added": false
                },
                "webview_android": {
                  "version_added": false
                }
              },
              "status": {
                "experimental": true,
                "standard_track": true,
                "deprecated": false
              }
            }
          },
          "url": {
            "__compat": {
              "description": "&lt;url&gt;",
              "support": {
                "chrome": {
                  "version_added": false
                },
                "chrome_android": {
                  "version_added": false
                },
                "edge": {
                  "version_added": false
                },
                "firefox": {
                  "version_added": false
                },
                "firefox_android": {
                  "version_added": false
                },
                "ie": {
                  "version_added": false
                },
                "opera": {
                  "version_added": false
                },
                "opera_android": {
                  "version_added": false
                },
                "safari": {
                  "version_added": false
                },
                "safari_ios": {
                  "version_added": false
                },
                "samsunginternet_android": {
                  "version_added": false
                },
                "webview_android": {
                  "version_added": false
                }
              },
              "status": {
                "experimental": true,
                "standard_track": true,
                "deprecated": false
              }
            }
          }
        }
      }
    }
  }
}