{
  "css": {
    "types": {
      "calc": {
        "__compat": {
          "description": "<code>&lt;calc()&gt;</code>",
          "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/calc",
          "support": {
            "chrome": [
              {
                "version_added": "26"
              },
              {
                "prefix": "-webkit-",
                "version_added": "19"
              }
            ],
            "chrome_android": {
              "version_added": "28"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": [
              {
                "version_added": "16",
                "notes": [
                  "Before Firefox 57 <code>calc(1*2*3)</code> is not parsed successfully.",
                  "Firefox 57 increased the number of places <code>calc()</code> could substitute another value. See <a href='https://bugzil.la/1350857'>bug 1350857</a>."
                ]
              },
              {
                "prefix": "-moz-",
                "version_added": "4",
                "version_removed": "53"
              }
            ],
            "firefox_android": [
              {
                "version_added": "16",
                "notes": [
                  "Before Firefox 57 <code>calc(1*2*3)</code> is not parsed successfully.",
                  "Firefox 57 increased the number of places <code>calc()</code> could substitute another value. See <a href='https://bugzil.la/1350857'>bug 1350857</a>."
                ]
              },
              {
                "prefix": "-moz-",
                "version_added": "4",
                "version_removed": "53"
              }
            ],
            "ie": {
              "version_added": "9"
            },
            "opera": {
              "version_added": "15"
            },
            "opera_android": {
              "version_added": "14"
            },
            "safari": [
              {
                "version_added": "7"
              },
              {
                "prefix": "-webkit-",
                "version_added": "6"
              }
            ],
            "safari_ios": [
              {
                "version_added": "7"
              },
              {
                "prefix": "-webkit-",
                "version_added": "6"
              }
            ],
            "samsunginternet_android": {
              "version_added": "1.5"
            },
            "webview_android": [
              {
                "version_added": "≤37"
              },
              {
                "prefix": "-webkit-",
                "version_added": "≤37"
              }
            ]
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "color_values": {
          "__compat": {
            "description": "<code>&lt;color&gt;</code> value support",
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": "59"
              },
              "firefox_android": {
                "version_added": "59"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": false
              },
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": "6"
              },
              "safari_ios": {
                "version_added": "6"
              },
              "samsunginternet_android": {
                "version_added": false
              },
              "webview_android": {
                "version_added": false
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "gradient_color_stops": {
          "__compat": {
            "description": "Gradient color stops support",
            "support": {
              "chrome": {
                "version_added": "19"
              },
              "chrome_android": {
                "version_added": "28"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "19"
              },
              "firefox_android": {
                "version_added": "19"
              },
              "ie": {
                "version_added": "9"
              },
              "opera": {
                "version_added": "15"
              },
              "opera_android": {
                "version_added": "15"
              },
              "safari": {
                "version_added": "6"
              },
              "safari_ios": {
                "version_added": "6"
              },
              "samsunginternet_android": {
                "version_added": "1.5"
              },
              "webview_android": {
                "version_added": "37"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "nested": {
          "__compat": {
            "description": "Nested <code>calc()</code> support",
            "support": {
              "chrome": {
                "version_added": "51"
              },
              "chrome_android": {
                "version_added": "51"
              },
              "edge": {
                "version_added": "16"
              },
              "firefox": {
                "version_added": "48"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "38"
              },
              "opera_android": {
                "version_added": "41"
              },
              "safari": {
                "version_added": "11"
              },
              "safari_ios": {
                "version_added": "11"
              },
              "samsunginternet_android": {
                "version_added": "5.0"
              },
              "webview_android": {
                "version_added": "51"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "number_values": {
          "__compat": {
            "description": "<code>&lt;number&gt;</code> value support",
            "support": {
              "chrome": {
                "version_added": "31"
              },
              "chrome_android": {
                "version_added": "31"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "48"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "ie": {
                "version_added": "9"
              },
              "opera": {
                "version_added": "18"
              },
              "opera_android": {
                "version_added": "18"
              },
              "safari": {
                "version_added": "6"
              },
              "safari_ios": {
                "version_added": "6"
              },
              "samsunginternet_android": {
                "version_added": "2.0"
              },
              "webview_android": {
                "version_added": "4.4.3"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      }
    }
  }
}