diff --git a/src/wp-admin/css/customize-controls.css b/src/wp-admin/css/customize-controls.css
index 0a626118b4..46d424c245 100644
--- a/src/wp-admin/css/customize-controls.css
+++ b/src/wp-admin/css/customize-controls.css
@@ -1137,7 +1137,8 @@ body.cheatin h1 {
 	border-bottom: 1px solid #ddd;
 	clear: both;
 	color: #666;
-	font: 24px -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen-Sans", "Ubuntu", "Cantarell", "Helvetica Neue", sans-serif;
+	font-size: 24px;
+	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen-Sans", "Ubuntu", "Cantarell", "Helvetica Neue", sans-serif;
 	margin: 30px 0 0 0;
 	padding: 0;
 	padding-bottom: 7px;
diff --git a/src/wp-includes/css/admin-bar.css b/src/wp-includes/css/admin-bar.css
index 30a833f1a6..b70077c476 100644
--- a/src/wp-includes/css/admin-bar.css
+++ b/src/wp-includes/css/admin-bar.css
@@ -7,7 +7,10 @@
 	text-shadow: none;
 	text-transform: none;
 	letter-spacing: normal;
-	font: normal 13px/32px -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen-Sans", "Ubuntu", "Cantarell", "Helvetica Neue", sans-serif;
+	font-size: 13px;
+	font-weight: normal;
+	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen-Sans", "Ubuntu", "Cantarell", "Helvetica Neue", sans-serif;
+	line-height: 32px;
 	-webkit-border-radius: 0;
 	border-radius: 0;
 	-webkit-box-sizing: content-box;
@@ -79,7 +82,10 @@ html:lang(he-il) .rtl #wpadminbar *  {
 #wpadminbar {
 	direction: ltr;
 	color: #ccc;
-	font: normal 13px/32px -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen-Sans", "Ubuntu", "Cantarell", "Helvetica Neue", sans-serif;
+	font-size: 13px;
+	font-weight: normal;
+	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen-Sans", "Ubuntu", "Cantarell", "Helvetica Neue", sans-serif;
+	line-height: 32px;
 	height: 32px;
 	position: fixed;
 	top: 0;
@@ -618,7 +624,9 @@ html:lang(he-il) .rtl #wpadminbar *  {
 #wpadminbar > #wp-toolbar > #wp-admin-bar-top-secondary > #wp-admin-bar-search #adminbarsearch input.adminbar-input {
 	position: relative;
 	z-index: 30;
-	font: 13px/24px -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen-Sans", "Ubuntu", "Cantarell", "Helvetica Neue", sans-serif;
+	font-size: 13px;
+	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen-Sans", "Ubuntu", "Cantarell", "Helvetica Neue", sans-serif;
+	line-height: 24px;
 	height: 24px;
 	width: 24px;
 	max-width: none;
@@ -798,7 +806,10 @@ html:lang(he-il) .rtl #wpadminbar *  {
 	}
 
 	#wpadminbar * {
-		font: normal 14px/32px -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen-Sans", "Ubuntu", "Cantarell", "Helvetica Neue", sans-serif;
+		font-size: 14px;
+		font-weight: normal;
+		font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen-Sans", "Ubuntu", "Cantarell", "Helvetica Neue", sans-serif;
+		line-height: 32px;
 	}
 
 	#wpadminbar .quicklinks > ul > li > a,
diff --git a/src/wp-includes/css/wp-embed-template.css b/src/wp-includes/css/wp-embed-template.css
index 607d13f837..3397396ee1 100644
--- a/src/wp-includes/css/wp-embed-template.css
+++ b/src/wp-includes/css/wp-embed-template.css
@@ -59,7 +59,10 @@ body {
 
 .wp-embed {
 	padding: 25px;
-	font: 400 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen-Sans", "Ubuntu", "Cantarell", "Helvetica Neue", sans-serif;
+	font-size: 14px;
+	font-weight: 400;
+	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen-Sans", "Ubuntu", "Cantarell", "Helvetica Neue", sans-serif;
+	line-height: 1.5;
 	color: #82878c;
 	background: white;
 	border: 1px solid #e5e5e5;
@@ -307,7 +310,10 @@ p.wp-embed-share-description {
 	height: 28px;
 	margin: 0 0 10px 0;
 	padding: 0 5px;
-	font: 400 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen-Sans", "Ubuntu", "Cantarell", "Helvetica Neue", sans-serif;
+	font-size: 14px;
+	font-weight: 400;
+	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen-Sans", "Ubuntu", "Cantarell", "Helvetica Neue", sans-serif;
+	line-height: 1.5;
 	resize: none;
 	cursor: text;
 }