diff --git a/css/default.css b/css/default.css
index fdfdce35e..87d9c48b1 100644
--- a/css/default.css
+++ b/css/default.css
@@ -195,8 +195,7 @@ a.btn_admin:focus, a.btn_admin:hover {text-decoration:none}
 fieldset .frm_input {padding:2px 2px 3px;border:1px solid #b8c9c2;background:#f7f7f7;color:#000;vertical-align:middle}
 
 /* 필수입력 */
-.required {background:url('../img/wrest.gif') #f7f7f7 top right no-repeat}
-textarea.required {background:url('../img/wrest.gif') #f7f7f7 top right no-repeat}
+.required, textarea.required {background:url('../img/wrest.gif') #f7f7f7 top right no-repeat}
 
 /* 테이블 항목별 정의 */
 .td_board {width:120px;text-align:center}
diff --git a/skin/member/basic/register_form.skin.php b/skin/member/basic/register_form.skin.php
index 52b6c380f..842145b72 100644
--- a/skin/member/basic/register_form.skin.php
+++ b/skin/member/basic/register_form.skin.php
@@ -5,7 +5,7 @@ if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
 <!-- 회원정보 입력/수정 시작 { -->
 <link rel="stylesheet" href="<?php echo $member_skin_url ?>/style.css">
 
-<div class="mb_skin">
+<div class="mbskin">
 
     <script src="<?php echo G5_JS_URL ?>/jquery.register_form.js"></script>
     <?php if($config['cf_cert_use'] && ($config['cf_cert_ipin'] || $config['cf_cert_hp'])) { ?>
diff --git a/skin/member/basic/style.css b/skin/member/basic/style.css
index e6bdd2dfe..0a8cfc6ea 100644
--- a/skin/member/basic/style.css
+++ b/skin/member/basic/style.css
@@ -44,26 +44,25 @@
 .mbskin td.empty_table {}
 
 /* 폼 테이블 */
-.mb_skin table {}
-.mb_skin caption {}
-.mb_skin .frm_info {}
-.mb_skin .frm_address {}
-.mb_skin .frm_file {}
+.mbskin table {}
+.mbskin caption {}
+.mbskin .frm_info {}
+.mbskin .frm_address {}
+.mbskin .frm_file {}
 
-.mb_skin .tbl_frm01 {}
-.mb_skin .tbl_frm01 th {}
-.mb_skin .tbl_frm01 td {}
-.mb_skin .tbl_frm01 textarea, .mb_skin tbl_frm01 .frm_input {}
-.mb_skin .tbl_frm01 textarea {}
+.mbskin .tbl_frm01 {}
+.mbskin .tbl_frm01 th {}
+.mbskin .tbl_frm01 td {}
+.mbskin .tbl_frm01 textarea, .mb_skin tbl_frm01 .frm_input {}
+.mbskin .tbl_frm01 textarea {}
 /*
-.mb_skin .tbl_frm01 #captcha {}
-.mb_skin .tbl_frm01 #captcha input {}
+.mbskin .tbl_frm01 #captcha {}
+.mbskin .tbl_frm01 #captcha input {}
 */
-.mb_skin .tbl_frm01 a {}
+.mbskin .tbl_frm01 a {}
 
 /* 필수입력 */
-.mbskin .required {}
-.mbskin textarea.required {}
+.mbskin .required, .mbskin textarea.required {background:url('../../../img/wrest.gif') #f7f7f7 top right no-repeat}
 
 /* 테이블 항목별 정의 */
 .mbskin .td_board {}