Chrome 145 listbox <select> base styling (#29189)

Author: chrisdavidmills

css/properties/appearance.json

@@ -139,6 +139,108 @@
               "standard_track": true,
               "deprecated": false
             }
+          },
+          "listbox": {
+            "__compat": {
+              "description": "Base styling for listbox: `<select multiple>` or `<select size=\"3\">`",
+              "tags": [
+                "web-features:customizable-select"
+              ],
+              "support": {
+                "chrome": {
+                  "version_added": "145"
+                },
+                "chrome_android": "mirror",
+                "edge": "mirror",
+                "firefox": {
+                  "version_added": false
+                },
+                "firefox_android": "mirror",
+                "oculus": "mirror",
+                "opera": "mirror",
+                "opera_android": "mirror",
+                "safari": {
+                  "version_added": false
+                },
+                "safari_ios": "mirror",
+                "samsunginternet_android": "mirror",
+                "webview_android": "mirror",
+                "webview_ios": "mirror"
+              },
+              "status": {
+                "experimental": true,
+                "standard_track": true,
+                "deprecated": false
+              }
+            }
+          },
+          "multiple_dropdown": {
+            "__compat": {
+              "description": "Base styling for multiple dropdown: `<select multiple size=\"1\">`",
+              "tags": [
+                "web-features:customizable-select"
+              ],
+              "support": {
+                "chrome": {
+                  "version_added": "135"
+                },
+                "chrome_android": "mirror",
+                "edge": "mirror",
+                "firefox": {
+                  "version_added": false
+                },
+                "firefox_android": "mirror",
+                "oculus": "mirror",
+                "opera": "mirror",
+                "opera_android": "mirror",
+                "safari": {
+                  "version_added": false
+                },
+                "safari_ios": "mirror",
+                "samsunginternet_android": "mirror",
+                "webview_android": "mirror",
+                "webview_ios": "mirror"
+              },
+              "status": {
+                "experimental": true,
+                "standard_track": true,
+                "deprecated": false
+              }
+            }
+          },
+          "single_dropdown": {
+            "__compat": {
+              "description": "Base styling for single dropdown: `<select>`",
+              "tags": [
+                "web-features:customizable-select"
+              ],
+              "support": {
+                "chrome": {
+                  "version_added": "135"
+                },
+                "chrome_android": "mirror",
+                "edge": "mirror",
+                "firefox": {
+                  "version_added": false
+                },
+                "firefox_android": "mirror",
+                "oculus": "mirror",
+                "opera": "mirror",
+                "opera_android": "mirror",
+                "safari": {
+                  "version_added": false
+                },
+                "safari_ios": "mirror",
+                "samsunginternet_android": "mirror",
+                "webview_android": "mirror",
+                "webview_ios": "mirror"
+              },
+              "status": {
+                "experimental": true,
+                "standard_track": true,
+                "deprecated": false
+              }
+            }
           }
         },
         "button": {