css/selectors/hover.json

{
  "css": {
    "selectors": {
      "hover": {
        "__compat": {
          "description": "`:hover`",
          "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/:hover",
          "spec_url": [
            "https://html.spec.whatwg.org/multipage/semantics-other.html#selector-hover",
            "https://drafts.csswg.org/selectors/#hover-pseudo"
          ],
          "tags": [
            "web-features:user-action-pseudos"
          ],
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "4"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "4"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "2"
            },
            "safari_ios": {
              "version_added": "1",
              "notes": "As of Safari for iOS 7.1.2, tapping a [clickable element](https://developer.mozilla.org/docs/Web/Events/click#Safari_Mobile) causes the element to enter the `:hover` state. The element will remain in the `:hover` state until a different element has entered the `:hover` state."
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "a_elements": {
          "__compat": {
            "description": "`<a>` element support",
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "4"
              },
              "oculus": "mirror",
              "opera": {
                "version_added": "4"
              },
              "opera_android": {
                "version_added": "10.1"
              },
              "safari": {
                "version_added": "2"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": {
                "version_added": "37"
              },
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "all_elements": {
          "__compat": {
            "description": "All elements support",
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "edge": {
                "version_added": "12",
                "notes": "In Edge, hovering over an element and then scrolling up or down without moving the pointer will leave the element in the `:hover` state until the pointer is moved."
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "7",
                "notes": [
                  "In Internet Explorer 8 to Internet Explorer 11, hovering over an element and then scrolling up or down without moving the pointer will leave the element in the `:hover` state until the pointer is moved. See [bug 926665](https://connect.microsoft.com/IE/feedbackdetail/view/926665).",
                  "In Internet Explorer 9 (and possibly earlier), if a [`<table>`](https://developer.mozilla.org/docs/Web/HTML/Element/table) has a parent with a non-`auto` [`width`](https://developer.mozilla.org/docs/Web/CSS/width), [`overflow-x`](https://developer.mozilla.org/docs/Web/CSS/overflow-x)`: auto;`, the [`<table>`](https://developer.mozilla.org/docs/Web/HTML/Element/table) has enough content to horizontally overflow its parent, and there are [`:hover`](https://developer.mozilla.org/docs/Web/CSS/:hover) styles set on elements within the table, then hovering over said elements will cause the [`<table>`](https://developer.mozilla.org/docs/Web/HTML/Element/table)'s height to increase. See [a live demo that triggers the bug](https://output.jsbin.com/diwiqe). One workaround for the bug is to set `min-height: 0%;` (the `%` unit must be specified, since unitless and `px` don't work) on the `<table>`'s parent element."
                ]
              },
              "oculus": "mirror",
              "opera": {
                "version_added": "7"
              },
              "opera_android": {
                "version_added": "10.1"
              },
              "safari": {
                "version_added": "2"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": {
                "version_added": "37"
              },
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      }
    }
  }
}