diff --git a/css/def.css b/css/def.css
index e058f0f26..8dab30759 100644
--- a/css/def.css
+++ b/css/def.css
@@ -30,7 +30,7 @@ hr {display:none}
 #to_content a:active {padding:10px 0;width:100%;height:auto;background:#333;color:#fff;text-align:center;overflow:auto}
 
 /* 헤딩 */
-h1 {margin:0 0 30px;font-size:1.6em}
+h1 {margin:0 0 30px;font-size:1.5em}
 h2 {margin:0 0 20px}
 
 /* 레이아웃 - 상단 */