diff --git a/css/default.css b/css/default.css
index 86a4bba9e..cc2799ecb 100644
--- a/css/default.css
+++ b/css/default.css
@@ -145,7 +145,7 @@ a:active {color:#000;text-decoration:underline}
 .btn_confirm {text-align:center} /* 서식단계 진행 */
 .btn_submit {padding:0 10px;height:24px;border:0;background:#333;color:#fff;letter-spacing:-0.1em;vertical-align:top;cursor:pointer}
 button.btn_submit {height:22px !important;font-size:1em}
-fieldset .btn_submit {height:22px !important;font-size:1em}
+fieldset .btn_submit {height:22px;font-size:1em}
 .btn_cancel {display:inline-block;padding:0 10px;height:22px;border:1px solid #ccc;background:#fafafa;line-height:2em}
 button.btn_cancel {display:inline-block;padding:0 10px;height:24px;border:1px solid #ccc;background:#fafafa;line-height:2em}
 .btn_cancel:focus,
diff --git a/css/mobile.css b/css/mobile.css
index 75deca984..0736184d0 100644
--- a/css/mobile.css
+++ b/css/mobile.css
@@ -109,7 +109,7 @@ pre {overflow-x:scroll;font-size:1.1em}
 .btn_confirm {text-align:center} /* 서식단계 진행 */
 .btn_submit {padding:0 1em;height:2.6em;border:0;background:#333;color:#fff;letter-spacing:-0.1em;vertical-align:top;cursor:pointer;-webkit-appearance:none}
 .btn_cancel {display:inline-block;padding:0 1em;height:2.5em;border:1px solid #ccc;background:#fafafa;color:#000;font-size:1em;text-decoration:none;line-height:2.5em}
-.btn_frmline {display:inline-block;padding:0 7px 0 0.3em;height:22px;border:0;background:#333;color:#fff !important;letter-spacing:-0.1em;text-decoration:none;vertical-align:top;line-height:1.4em} /* 우편번호검색버튼 등 */
+.btn_frmline {display:inline-block;padding:0 0.3em;height:1.9em;border:0;background:#333;color:#fff !important;letter-spacing:-0.1em;text-decoration:none;vertical-align:top;line-height:1.9em} /* 우편번호검색버튼 등 */
 .btn_win {clear:both;margin-bottom:1.5em;text-align:center} /* 새창용 */
 .btn_win a {display:inline-block;padding:0 1em;height:2.5em;border:1px solid #ccc;background:#fafafa;color:#000;text-decoration:none;vertical-align:middle;line-height:2.5em;cursor:pointer}
 /* 게시판용 버튼 */
diff --git a/mobile/skin/member/kcpcert/style.css b/mobile/skin/member/kcpcert/style.css
index c83bb7a90..03a31acc6 100644
--- a/mobile/skin/member/kcpcert/style.css
+++ b/mobile/skin/member/kcpcert/style.css
@@ -22,6 +22,7 @@
 /* 아이디/패스워드 찾기 */
 #find_info_fs {margin:0 auto 1em;padding:1em;border-bottom:1px solid #eee}
 #find_info_fs #mb_email {width:100%}
+#find_info_fs .btn_submit {height:1.85em !important}
 #find_info #captcha {margin:0 0 1em;padding:0 1em 1em}
 #find_info #captcha input {margin-left:0.3em}
 
diff --git a/skin/member/kcpcert/register_form.skin.php b/skin/member/kcpcert/register_form.skin.php
index 92b9215a9..6ea2a2e57 100644
--- a/skin/member/kcpcert/register_form.skin.php
+++ b/skin/member/kcpcert/register_form.skin.php
@@ -94,7 +94,7 @@ if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
         <input type="hidden" name="kcpcert_time" value="<?=$member['mb_hp_certify']?>">
         <input type="hidden" name="old_mb_hp" value="<?=$member['mb_hp']?>">
         <input type="text" id="reg_mb_hp" name="mb_hp" class="frm_input required" maxlength="20" required value="<?=$member['mb_hp']?>">
-        <button type="button" id="win_kcpcert">휴대폰인증</button>
+        <button type="button" id="win_kcpcert" class="btn_frmline">휴대폰인증</button>
         <noscript>휴대폰인증을 위해서는 자바스크립트 사용이 가능해야합니다.</noscript>
     </td>
 </tr>