diff --git a/wp-includes/js/tinymce/skins/wordpress/wp-content.css b/wp-includes/js/tinymce/skins/wordpress/wp-content.css
index 0a0a759966..598089240a 100644
--- a/wp-includes/js/tinymce/skins/wordpress/wp-content.css
+++ b/wp-includes/js/tinymce/skins/wordpress/wp-content.css
@@ -144,6 +144,7 @@ img[data-mce-selected]::selection {
 	-webkit-box-shadow: none;
 	box-shadow: none;
 	width: 96%;
+	min-width: 96%;
 	height: 16px;
 	display: block;
 	margin: 15px auto 0;
diff --git a/wp-includes/version.php b/wp-includes/version.php
index fad74456c0..214d92db8f 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.3-beta3-33350';
+$wp_version = '4.3-beta3-33351';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.