<form method="post" action="<?php echo esc_url( $form_action ); ?>" name="upgrade-themes" class="upgrade">
<?php wp_nonce_field('upgrade-core'); ?>
<p><input id="upgrade-themes" class="button" type="submit" value="<?php esc_attr_e('Update Themes'); ?>" name="upgrade" /></p>
<table class="widefat" id="update-themes-table">
<thead>
<tr>
<form method="post" action="<?php echo esc_url( $form_action ); ?>" name="upgrade-themes" class="upgrade">
<?php wp_nonce_field('upgrade-core'); ?>
<p><input id="upgrade-themes" class="button" type="submit" value="<?php esc_attr_e('Update Themes'); ?>" name="upgrade" /></p>
<table class="widefat" id="update-themes-table">
<thead>
<tr>