diff --git a/package-lock.json b/package-lock.json
index f00f4de820..be5eb264d7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6622,9 +6622,9 @@
 			}
 		},
 		"caniuse-lite": {
-			"version": "1.0.30001173",
-			"resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001173.tgz",
-			"integrity": "sha512-R3aqmjrICdGCTAnSXtNyvWYMK3YtV5jwudbq0T7nN9k4kmE4CBuwPqyJ+KBzepSTh0huivV2gLbSMEzTTmfeYw==",
+			"version": "1.0.30001214",
+			"resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001214.tgz",
+			"integrity": "sha512-O2/SCpuaU3eASWVaesQirZv1MSjUNOvmugaD8zNSJqw6Vv5SGwoOpA9LJs3pNPfM745nxqPvfZY3MQKY4AKHYg==",
 			"dev": true
 		},
 		"capture-exit": {
@@ -7635,12 +7635,6 @@
 						"node-releases": "^1.1.71"
 					}
 				},
-				"caniuse-lite": {
-					"version": "1.0.30001208",
-					"resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001208.tgz",
-					"integrity": "sha512-OE5UE4+nBOro8Dyvv0lfx+SRtfVIOM9uhKqFmJeUbGriqhhStgp1A0OyBpgy3OUF8AhYCT+PVwPC1gMl2ZcQMA==",
-					"dev": true
-				},
 				"colorette": {
 					"version": "1.2.2",
 					"resolved": "https://registry.npmjs.org/colorette/-/colorette-1.2.2.tgz",
diff --git a/src/wp-admin/css/about.css b/src/wp-admin/css/about.css
index d77b6d7385..ca72176592 100644
--- a/src/wp-admin/css/about.css
+++ b/src/wp-admin/css/about.css
@@ -573,6 +573,8 @@
 }
 
 .about__container .about__image-comparison img {
+	-webkit-user-select: none;
+	-ms-user-select: none;
 	user-select: none;
 	width: auto;
 	max-width: none;
diff --git a/src/wp-admin/css/common.css b/src/wp-admin/css/common.css
index 3f1938aeee..8130292a2c 100644
--- a/src/wp-admin/css/common.css
+++ b/src/wp-admin/css/common.css
@@ -3148,7 +3148,6 @@ img {
 	font-size: 13px;
 	background: #f6f7f7;
 	-moz-tab-size: 4;
-	-o-tab-size: 4;
 	tab-size: 4;
 }
 
diff --git a/src/wp-admin/css/customize-controls.css b/src/wp-admin/css/customize-controls.css
index 53f59e4f2f..acec17262d 100644
--- a/src/wp-admin/css/customize-controls.css
+++ b/src/wp-admin/css/customize-controls.css
@@ -1579,7 +1579,6 @@ p.customize-section-description {
 	font-size: 12px;
 	padding: 6px 8px;
 	-moz-tab-size: 2;
-	-o-tab-size: 2;
 	tab-size: 2;
 }
 .customize-control-code_editor textarea,
diff --git a/src/wp-admin/css/nav-menus.css b/src/wp-admin/css/nav-menus.css
index 0d36b1512d..ed97188ea5 100644
--- a/src/wp-admin/css/nav-menus.css
+++ b/src/wp-admin/css/nav-menus.css
@@ -891,10 +891,9 @@ body.menu-max-depth-11 { min-width: 1280px !important; }
 }
 
 @media only screen and (min-width: 783px) {
-    @supports ((position: -webkit-sticky) or (position: sticky)) and (scroll-margin-bottom: 130px) {
+    @supports (position: sticky) and (scroll-margin-bottom: 130px) {
 		
 		#nav-menu-footer {
-                position: -webkit-sticky;
                 position: sticky;
 				bottom: 0;
 				z-index: 10;