diff --git a/css/mobile_shop.css b/css/mobile_shop.css
index 3a46fd649..14d2fa983 100644
--- a/css/mobile_shop.css
+++ b/css/mobile_shop.css
@@ -445,7 +445,7 @@ html.no-overflowscrolling #sc_coupon_frm, html.no-overflowscrolling #od_coupon_f
 
 /* 화면낭독기 사용자용 */
 #hd_login_msg {position:absolute;top:0;left:0;width:1px;height:1px;overflow:hidden}
-.msg_sound_only, .sound_only {display:inline-block !important;position:absolute;top:0;left:0;margin:0 !important;padding:0 !important;font-size:0;text-indent:-9999em;line-height:0;border:0 !important;overflow:hidden !important}
+.msg_sound_only, .sound_only {display:inline-block !important;position:absolute;top:0;left:0;margin:0 !important;padding:0 !important;width:1px !important;height:1px !important;font-size:0;text-indent:-9999em;line-height:0;border:0 !important;overflow:hidden !important}
 /* 본문 바로가기 */
 #skip_to_container a {z-index:100000;position:absolute;top:0;left:0;width:1px;height:1px;overflow:hidden}
 #skip_to_container a:focus, #skip_to_container a:active {width:100%;height:75px;background:#21272e;color:#fff;font-size:1.5em;font-weight:bold;text-align:center;text-decoration:none;line-height:3.3em}