diff --git a/adm/board_thumbnail_delete.php b/adm/board_thumbnail_delete.php
index 53d7932b1..720cad4f9 100644
--- a/adm/board_thumbnail_delete.php
+++ b/adm/board_thumbnail_delete.php
@@ -22,6 +22,7 @@ $dir = G5_DATA_PATH.'/file/'.$bo_table;
 
 $cnt = 0;
 if(is_dir($dir)) {
+    echo '<ul>';
     $files = glob($dir.'/thumb-*');
     if (is_array($files)) {
         foreach($files as $thumbnail) {
@@ -44,7 +45,7 @@ if(is_dir($dir)) {
 }
 ?>
 
-<div><a href="./board_form.php?w=u&amp;bo_table=<?php echo $bo_table; ?>&amp;<?php echo $qstr; ?>">게시판 수정으로 돌아가기</a></div>
+<div class="btn_confirm01 btn_confirm"><a href="./board_form.php?w=u&amp;bo_table=<?php echo $bo_table; ?>&amp;<?php echo $qstr; ?>">게시판 수정으로 돌아가기</a></div>
 
 <?php
 include_once('./admin.tail.php');