diff --git a/css/admin.css b/css/admin.css
index 54ae46003..c9113492b 100644
--- a/css/admin.css
+++ b/css/admin.css
@@ -27,6 +27,7 @@ h2 {font-size:1.2em}
 
 /* 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;width:1px !important;height:1px !important;font-size:0;line-height:0;border:0 !important;overflow:hidden !important}
 /* 본문 바로가기 */
 #to_content a {z-index:100000;position:absolute;top:0;left:0;font-size:0;line-height:0;overflow:hidden}
diff --git a/css/default.css b/css/default.css
index c8cb4173e..9fcc0b9e2 100644
--- a/css/default.css
+++ b/css/default.css
@@ -25,6 +25,7 @@ a:active {color:#000;text-decoration:underline}
 
 /* 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;line-height:0;border:0 !important;overflow:hidden !important}
 /* 본문 바로가기 */
 #to_content a {z-index:100000;position:absolute;top:0;left:0;font-size:0;line-height:0;overflow:hidden}
diff --git a/css/mobile.css b/css/mobile.css
index e5f02c5da..8401bd3c2 100644
--- a/css/mobile.css
+++ b/css/mobile.css
@@ -23,6 +23,7 @@ pre {overflow-x:scroll;font-size:1.1em}
 
 /* 화면낭독기 사용자용 */
 #hd_login_msg {position:absolute;top:0;left:0;width:0;height:0;overflow:hidden}
+.msg_sound_only,
 .sound_only {display:inline-block;margin:0 !important;padding:0 !important;width:0 !important;height:0 !important;font-size:0 !important;line-height:0 !important;overflow:hidden}
 /* 본문 바로가기 */
 .to_content a {z-index:100000;position:absolute;top:0;left:0;width:0;height:0;font-size:0;line-height:0;overflow:hidden}