diff --git a/src/wp-admin/css/common.css b/src/wp-admin/css/common.css
index 2bc8771cec..22da9e3b62 100644
--- a/src/wp-admin/css/common.css
+++ b/src/wp-admin/css/common.css
@@ -1960,15 +1960,20 @@ html.wp-toolbar {
 	border-bottom: none;
 	background: #e4e4e4;
 	color: #555;
-	font-size: 12px;
-	line-height: 16px;
-	display: inline-block;
-	padding: 4px 14px 6px;
-	text-decoration: none;
-	margin: -4px 4px -1px 0;
 }
 
-.nav-tab:hover {
+.nav-tab,
+.nav-tab-small .nav-tab {
+	display: inline-block;
+	margin: -4px 4px -1px 0;
+	padding: 5px 14px;
+	font-size: 12px;
+	line-height: 16px;
+	text-decoration: none;
+}
+
+.nav-tab:hover,
+.nav-tab:focus {
 	background-color: #fff;
 	color: #464646;
 }
@@ -1978,7 +1983,8 @@ html.wp-toolbar {
 }
 
 .nav-tab-active,
-.nav-tab-active:hover {
+.nav-tab-active:hover,
+.nav-tab-active:focus {
 	border-bottom: 1px solid #f1f1f1;
 	background: #f1f1f1;
 	color: #000;
@@ -1995,7 +2001,7 @@ h3.nav-tab-wrapper {
 h1 .nav-tab,
 h2 .nav-tab {
 	padding: 6px 10px;
-	font-weight: bold;
+	font-weight: 600;
 	font-size: 15px;
 	line-height: 24px;
 }
diff --git a/src/wp-admin/network/site-info.php b/src/wp-admin/network/site-info.php
index a4ee7bb6b2..634e032379 100644
--- a/src/wp-admin/network/site-info.php
+++ b/src/wp-admin/network/site-info.php
@@ -138,7 +138,7 @@ require( ABSPATH . 'wp-admin/admin-header.php' );
 <div class="wrap">
 <h1 id="edit-site"><?php echo $title; ?></h1>
 <p class="edit-site-actions"><a href="<?php echo esc_url( get_home_url( $id, '/' ) ); ?>"><?php _e( 'Visit' ); ?></a> | <a href="<?php echo esc_url( get_admin_url( $id ) ); ?>"><?php _e( 'Dashboard' ); ?></a></p>
-<h3 class="nav-tab-wrapper">
+<h2 class="nav-tab-wrapper nav-tab-small">
 <?php
 $tabs = array(
 	'site-info'     => array( 'label' => __( 'Info' ),     'url' => 'site-info.php'     ),
@@ -151,7 +151,7 @@ foreach ( $tabs as $tab_id => $tab ) {
 	echo '<a href="' . $tab['url'] . '?id=' . $id .'" class="nav-tab' . $class . '">' . esc_html( $tab['label'] ) . '</a>';
 }
 ?>
-</h3>
+</h2>
 <?php
 if ( ! empty( $messages ) ) {
 	foreach ( $messages as $msg ) {
diff --git a/src/wp-admin/network/site-settings.php b/src/wp-admin/network/site-settings.php
index d2699986b9..f03803e1b3 100644
--- a/src/wp-admin/network/site-settings.php
+++ b/src/wp-admin/network/site-settings.php
@@ -95,7 +95,7 @@ require( ABSPATH . 'wp-admin/admin-header.php' );
 <div class="wrap">
 <h1 id="edit-site"><?php echo $title; ?></h1>
 <p class="edit-site-actions"><a href="<?php echo esc_url( get_home_url( $id, '/' ) ); ?>"><?php _e( 'Visit' ); ?></a> | <a href="<?php echo esc_url( get_admin_url( $id ) ); ?>"><?php _e( 'Dashboard' ); ?></a></p>
-<h3 class="nav-tab-wrapper">
+<h2 class="nav-tab-wrapper nav-tab-small">
 <?php
 $tabs = array(
 	'site-info'     => array( 'label' => __( 'Info' ),     'url' => 'site-info.php'     ),
@@ -108,7 +108,7 @@ foreach ( $tabs as $tab_id => $tab ) {
 	echo '<a href="' . $tab['url'] . '?id=' . $id .'" class="nav-tab' . $class . '">' . esc_html( $tab['label'] ) . '</a>';
 }
 ?>
-</h3>
+</h2>
 <?php
 if ( ! empty( $messages ) ) {
 	foreach ( $messages as $msg )
diff --git a/src/wp-admin/network/site-themes.php b/src/wp-admin/network/site-themes.php
index 363f9f7607..f2e6f584fa 100644
--- a/src/wp-admin/network/site-themes.php
+++ b/src/wp-admin/network/site-themes.php
@@ -149,7 +149,7 @@ require( ABSPATH . 'wp-admin/admin-header.php' ); ?>
 <div class="wrap">
 <h1 id="edit-site"><?php echo $title; ?></h1>
 <p class="edit-site-actions"><a href="<?php echo esc_url( get_home_url( $id, '/' ) ); ?>"><?php _e( 'Visit' ); ?></a> | <a href="<?php echo esc_url( get_admin_url( $id ) ); ?>"><?php _e( 'Dashboard' ); ?></a></p>
-<h3 class="nav-tab-wrapper">
+<h2 class="nav-tab-wrapper nav-tab-small">
 <?php
 $tabs = array(
 	'site-info'     => array( 'label' => __( 'Info' ),     'url' => 'site-info.php'     ),
@@ -162,7 +162,7 @@ foreach ( $tabs as $tab_id => $tab ) {
 	echo '<a href="' . $tab['url'] . '?id=' . $id .'" class="nav-tab' . $class . '">' . esc_html( $tab['label'] ) . '</a>';
 }
 ?>
-</h3><?php
+</h2><?php
 
 if ( isset( $_GET['enabled'] ) ) {
 	$enabled = absint( $_GET['enabled'] );
diff --git a/src/wp-admin/network/site-users.php b/src/wp-admin/network/site-users.php
index ef800c45b1..54ba6b68f1 100644
--- a/src/wp-admin/network/site-users.php
+++ b/src/wp-admin/network/site-users.php
@@ -204,7 +204,7 @@ var current_site_id = <?php echo $id; ?>;
 <div class="wrap">
 <h1 id="edit-site"><?php echo $title; ?></h1>
 <p class="edit-site-actions"><a href="<?php echo esc_url( get_home_url( $id, '/' ) ); ?>"><?php _e( 'Visit' ); ?></a> | <a href="<?php echo esc_url( get_admin_url( $id ) ); ?>"><?php _e( 'Dashboard' ); ?></a></p>
-<h3 class="nav-tab-wrapper">
+<h2 class="nav-tab-wrapper nav-tab-small">
 <?php
 $tabs = array(
 	'site-info'     => array( 'label' => __( 'Info' ),     'url' => 'site-info.php'     ),
@@ -217,7 +217,7 @@ foreach ( $tabs as $tab_id => $tab ) {
 	echo '<a href="' . $tab['url'] . '?id=' . $id .'" class="nav-tab' . $class . '">' . esc_html( $tab['label'] ) . '</a>';
 }
 ?>
-</h3><?php
+</h2><?php
 
 if ( isset($_GET['update']) ) :
 	switch($_GET['update']) {