Ticket #53803: 53803.2.patch

src/wp-admin/includes/class-custom-background.php

@@ -418 +418 @@
         <div class="button-group">
                                 <?php foreach ( $group as $value => $input ) : ?>
                 <label>
-                        <input class="screen-reader-text" name="background-position" type="radio" value="<?php echo esc_attr( $value ); ?>"<?php checked( $value, $background_position ); ?>>
+                        <input class="ui-helper-hidden-accessible" name="background-position" type="radio" value="<?php echo esc_attr( $value ); ?>"<?php checked( $value, $background_position ); ?>>
                         <span class="button display-options position"><span class="<?php echo esc_attr( $input['icon'] ); ?>" aria-hidden="true"></span></span>
                         <span class="screen-reader-text"><?php echo $input['label']; ?></span>
                 </label>

src/wp-includes/customize/class-wp-customize-background-position-control.php

@@ -96 +96 @@
                                         <div class="button-group">
                                         <?php foreach ( $group as $value => $input ) : ?>
                                                 <label>
-                                                        <input class="screen-reader-text" name="background-position" type="radio" value="<?php echo esc_attr( $value ); ?>">
+                                                        <input class="ui-helper-hidden-accessible" name="background-position" type="radio" value="<?php echo esc_attr( $value ); ?>">
                                                         <span class="button display-options position"><span class="<?php echo esc_attr( $input['icon'] ); ?>" aria-hidden="true"></span></span>
                                                         <span class="screen-reader-text"><?php echo $input['label']; ?></span>
                                                 </label>