{
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            },
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              "version_added": "2"
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            "standard_track": true,
            "deprecated": false
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            "tags": [
              "web-features:svg"
            ],
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              },
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              "webview_ios": "mirror"
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            "tags": [
              "web-features:background-clip"
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                "version_added": "21"
              },
              "chrome_android": "mirror",
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              "standard_track": true,
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            "description": "Values of `background-origin` longhand",
            "tags": [
              "web-features:background-origin"
            ],
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                "version_added": "21"
              },
              "chrome_android": "mirror",
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                "version_added": "12"
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              "standard_track": true,
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            "tags": [
              "web-features:background-size"
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                "version_added": "21"
              },
              "chrome_android": "mirror",
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                "version_added": "4"
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                "version_added": "3"
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              "standard_track": true,
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                "version_added": "≤15"
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              "safari_ios": "mirror",
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              "webview_ios": "mirror"
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              "standard_track": true,
              "deprecated": false
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                "version_added": "≤31"
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              "chrome_android": "mirror",
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                "version_added": "≤15"
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              "standard_track": true,
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                "version_added": "≤31"
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              "chrome_android": "mirror",
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                "version_added": "≤31"
              },
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              "standard_track": true,
              "deprecated": false
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        "currentColor": {
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            "tags": [
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            ],
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                "version_added": "1"
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              "chrome_android": "mirror",
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              "standard_track": true,
              "deprecated": false
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                "version_added": "≤15"
              },
              "chrome_android": "mirror",
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                "version_added": "≤15"
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              "firefox_android": "mirror",
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              "opera": "mirror",
              "opera_android": "mirror",
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        "left": {
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              "chrome": {
                "version_added": "≤31"
              },
              "chrome_android": "mirror",
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                "version_added": "≤15"
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              "webview_ios": "mirror"
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              "standard_track": true,
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            "tags": [
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              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
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              "standard_track": true,
              "deprecated": false
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            "tags": [
              "web-features:background"
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            "support": {
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                "version_added": "1"
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              "chrome_android": "mirror",
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              "webview_ios": "mirror"
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              "standard_track": true,
              "deprecated": false
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            "tags": [
              "web-features:background"
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            "support": {
              "chrome": {
                "version_added": "1"
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              "chrome_android": "mirror",
              "edge": {
                "version_added": "12"
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              "firefox": {
                "version_added": "1"
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              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
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              "samsunginternet_android": "mirror",
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              "webview_ios": "mirror"
            },
            "status": {
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              "standard_track": true,
              "deprecated": false
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            "spec_url": "https://drafts.csswg.org/css-backgrounds/#valdef-background-image-none",
            "tags": [
              "web-features:background"
            ],
            "support": {
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                "version_added": "1"
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              "chrome_android": "mirror",
              "edge": {
                "version_added": "12"
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              "firefox": {
                "version_added": "1"
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              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
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                "version_added": "1"
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              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
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            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
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              "chrome": {
                "version_added": "≤31"
              },
              "chrome_android": "mirror",
              "edge": {
                "version_added": "≤15"
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              "firefox": {
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              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
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              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
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              "webview_ios": "mirror"
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              "standard_track": true,
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        "repeat": {
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            "tags": [
              "web-features:background"
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            "support": {
              "chrome": {
                "version_added": "1"
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              "chrome_android": "mirror",
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                "version_added": "12"
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              "firefox": {
                "version_added": "1"
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              "firefox_android": "mirror",
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              "opera": "mirror",
              "opera_android": "mirror",
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              "samsunginternet_android": "mirror",
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              "webview_ios": "mirror"
            },
            "status": {
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              "standard_track": true,
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            "tags": [
              "web-features:background"
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            "support": {
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                "version_added": "1"
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              "chrome_android": "mirror",
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                "version_added": "1"
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              "firefox_android": "mirror",
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              "webview_ios": "mirror"
            },
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              "standard_track": true,
              "deprecated": false
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            "spec_url": "https://drafts.csswg.org/css-backgrounds/#valdef-background-repeat-repeat-y",
            "tags": [
              "web-features:background"
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            "support": {
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                "version_added": "1"
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              "chrome_android": "mirror",
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                "version_added": "12"
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              "firefox": {
                "version_added": "1"
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              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
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                "version_added": "1"
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              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
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          }
        },
        "right": {
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            "spec_url": "https://drafts.csswg.org/css-backgrounds-3/#valdef-background-position-right",
            "support": {
              "chrome": {
                "version_added": "≤31"
              },
              "chrome_android": "mirror",
              "edge": {
                "version_added": "≤15"
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              "firefox": {
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              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "≤9.1"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
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          }
        },
        "round": {
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            "spec_url": "https://drafts.csswg.org/css-backgrounds-3/#valdef-background-repeat-round",
            "tags": [
              "web-features:background"
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            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "edge": {
                "version_added": "12"
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              "firefox": {
                "version_added": "1"
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              "firefox_android": "mirror",
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              "opera": "mirror",
              "opera_android": "mirror",
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              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
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              "webview_ios": "mirror"
            },
            "status": {
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              "standard_track": true,
              "deprecated": false
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        },
        "scroll": {
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            "spec_url": "https://drafts.csswg.org/css-backgrounds-3/#valdef-background-attachment-scroll",
            "tags": [
              "web-features:background"
            ],
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "edge": {
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              "firefox": {
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              "firefox_android": "mirror",
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              "opera_android": "mirror",
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              "webview_ios": "mirror"
            },
            "status": {
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              "standard_track": true,
              "deprecated": false
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          }
        },
        "space": {
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            "spec_url": "https://drafts.csswg.org/css-backgrounds-3/#valdef-background-repeat-space",
            "tags": [
              "web-features:background"
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            "support": {
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                "version_added": "1"
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              "chrome_android": "mirror",
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              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
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              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
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            "spec_url": "https://drafts.csswg.org/css-backgrounds-3/#valdef-background-position-top",
            "support": {
              "chrome": {
                "version_added": "≤31"
              },
              "chrome_android": "mirror",
              "edge": {
                "version_added": "≤15"
              },
              "firefox": {
                "version_added": "≤50"
              },
              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
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              },
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              "webview_android": "mirror",
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            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "transparent": {
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            "spec_url": "https://drafts.csswg.org/css-color-4/#valdef-color-transparent",
            "tags": [
              "web-features:background"
            ],
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "edge": {
                "version_added": "12"
              },
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                "version_added": "1"
              },
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              "opera": "mirror",
              "opera_android": "mirror",
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              },
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              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
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            "spec_url": "https://drafts.csswg.org/css-values-5/#valdef-position-x-end",
            "support": {
              "chrome": {
                "version_added": false,
                "impl_url": "https://crbug.com/432676117"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
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              },
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              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": true,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
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            "spec_url": "https://drafts.csswg.org/css-values-5/#valdef-position-x-start",
            "support": {
              "chrome": {
                "version_added": false,
                "impl_url": "https://crbug.com/432676117"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
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              },
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              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": true,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
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          "__compat": {
            "spec_url": "https://drafts.csswg.org/css-values-5/#valdef-position-y-end",
            "support": {
              "chrome": {
                "version_added": false,
                "impl_url": "https://crbug.com/432676117"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
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              },
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              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": true,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
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            "spec_url": "https://drafts.csswg.org/css-values-5/#valdef-position-y-start",
            "support": {
              "chrome": {
                "version_added": false,
                "impl_url": "https://crbug.com/432676117"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "26"
              },
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              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": true,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      }
    }
  }
}