diff --git a/wp-content/themes/twentyseventeen/assets/css/colors-dark.css b/wp-content/themes/twentyseventeen/assets/css/colors-dark.css
index 449f0623a2..f7b977dca0 100644
--- a/wp-content/themes/twentyseventeen/assets/css/colors-dark.css
+++ b/wp-content/themes/twentyseventeen/assets/css/colors-dark.css
@@ -289,8 +289,8 @@ body.colors-dark,
 	color: #bbb;
 }
 
-.colors-dark button:hover:not( .mejs-container > button ),
-.colors-dark button:focus,
+.colors-dark :not( .mejs-button ) > button:hover,
+.colors-dark :not( .mejs-button ) > button:focus,
 .colors-dark input[type="button"]:hover,
 .colors-dark input[type="button"]:focus,
 .colors-dark input[type="submit"]:hover,
diff --git a/wp-content/themes/twentyseventeen/inc/color-patterns.php b/wp-content/themes/twentyseventeen/inc/color-patterns.php
index cfd243f67a..38e4257ef2 100644
--- a/wp-content/themes/twentyseventeen/inc/color-patterns.php
+++ b/wp-content/themes/twentyseventeen/inc/color-patterns.php
@@ -307,8 +307,8 @@ body.colors-custom,
 	color: hsl( ' . $hue . ', ' . $saturation . ', 46% ); /* base: #767676; */
 }
 
-.colors-custom button:hover:not( .mejs-container > button ),
-.colors-custom button:focus,
+.colors-custom :not( .mejs-button ) > button:hover,
+.colors-custom :not( .mejs-button ) > button:focus,
 .colors-custom input[type="button"]:hover,
 .colors-custom input[type="button"]:focus,
 .colors-custom input[type="submit"]:hover,
diff --git a/wp-content/themes/twentyseventeen/style.css b/wp-content/themes/twentyseventeen/style.css
index 7ca4f6c950..c41165947f 100644
--- a/wp-content/themes/twentyseventeen/style.css
+++ b/wp-content/themes/twentyseventeen/style.css
@@ -1034,8 +1034,8 @@ input[type="submit"].secondary {
 	color: #222;
 }
 
-button:hover:not( .mejs-container > button ),
-button:focus,
+:not( .mejs-button ) > button:hover,
+:not( .mejs-button ) > button:focus,
 input[type="button"]:hover,
 input[type="button"]:focus,
 input[type="submit"]:hover,
diff --git a/wp-includes/version.php b/wp-includes/version.php
index b4a2c81791..d0dfb13c6d 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.3-alpha-45575';
+$wp_version = '5.3-alpha-45576';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.