Ticket #26603: 26603-1.patch

src/wp-admin/themes.php

@@ -312 +312 @@
         <div class="theme-backdrop"></div>
         <div class="theme-wrap">
                 <div class="theme-header">
-                        <button alt="<?php _e( 'Show previous theme' ); ?>" class="left dashicons dashicons-no"></button>
-                        <button alt="<?php _e( 'Show next theme' ); ?>" class="right dashicons dashicons-no"></button>
-                        <button alt="<?php _e( 'Close overlay' ); ?>" class="close dashicons dashicons-no"></button>
+                        <button class="left dashicons dashicons-no"><span class="screen-reader-text"><?php _e( 'Show previous theme' ); ?></span></button>
+                        <button class="right dashicons dashicons-no"><span class="screen-reader-text"><?php _e( 'Show next theme' ); ?></span></button>
+                        <button class="close dashicons dashicons-no"><span class="screen-reader-text"><?php _e( 'Close overlay' ); ?></span></button>
                 </div>
                 <div class="theme-about">
                         <div class="theme-screenshots">