diff --git a/adm/board_form.php b/adm/board_form.php
index ff9324ee3..deb566a53 100644
--- a/adm/board_form.php
+++ b/adm/board_form.php
@@ -29,6 +29,9 @@ if (!isset($board['bo_mobile_skin'])) {
     sql_query(" ALTER TABLE `{$g4['board_table']}`  ADD `bo_mobile_skin` VARCHAR(255) NOT NULL DEFAULT '' AFTER `bo_skin` ", false);
 }
 
+if (!isset($board['bo_mobile_gallery_cols'])) {
+    sql_query(" ALTER TABLE `{$g4['board_table']}`  ADD `bo_mobile_gallery_cols` INT NOT NULL AFTER `bo_gallery_cols` ", false);
+}
 
 if ($w == '') {
 
@@ -701,6 +704,17 @@ $pg_anchor = "<ul class=\"anchor\">
             <label for="chk_gallery_cols">동일그룹 모두 적용</label>
         </td>
     </tr>
+    <tr>
+        <th scope="row"><label for="bo_mobile_gallery_cols">모바일<br>가로 이미지수<strong class="sound_only">필수</strong></label></th>
+        <td>
+            <?=help('모바일 접속시 갤러리 형식의 게시판 목록에서 이미지를 한줄에 몇장씩 보여줄것인지를 설정하는 값')?>
+            <input type="text" id="bo_mobile_gallery_cols" name="bo_mobile_gallery_cols" class="required numeric frm_input" required value="<?=$board['bo_mobile_gallery_cols']?>" size="4">
+        </td>
+        <td class="group_setting">
+            <input type="checkbox" id="chk_mobile_gallery_cols" name="chk_mobile_gallery_cols" value="1">
+            <label for="chk_mobile_gallery_cols">동일그룹 모두 적용</label>
+        </td>
+    </tr>
     <tr>
         <th scope="row"><label for="bo_table_width">게시판 테이블 폭<strong class="sound_only">필수</strong></label></th>
         <td>
diff --git a/adm/board_form_update.php b/adm/board_form_update.php
index e2f257821..5637c5f79 100644
--- a/adm/board_form_update.php
+++ b/adm/board_form_update.php
@@ -99,6 +99,7 @@ $sql_common = " gr_id               = '{$_POST['gr_id']}',
                 bo_content_tail     = '{$_POST['bo_content_tail']}',
                 bo_insert_content   = '{$_POST['bo_insert_content']}',
                 bo_gallery_cols     = '{$_POST['bo_gallery_cols']}',
+                bo_mobile_gallery_cols='{$_POST['bo_mobile_gallery_cols']}',
                 bo_upload_count     = '{$_POST['bo_upload_count']}',
                 bo_upload_size      = '{$_POST['bo_upload_size']}',
                 bo_reply_order      = '{$_POST['bo_reply_order']}',
@@ -247,6 +248,7 @@ if (is_checked('chk_use_email'))        $fields .= " , bo_use_email = '{$bo_use_
 if (is_checked('chk_skin'))             $fields .= " , bo_skin = '{$bo_skin}' ";
 if (is_checked('chk_mobile_skin'))      $fields .= " , bo_mobile_skin = '{$bo_mobile_skin}' ";
 if (is_checked('chk_gallery_cols'))     $fields .= " , bo_gallery_cols = '{$bo_gallery_cols}' ";
+if (is_checked('chk_mobile_gallery_cols'))$fields.=" , bo_mobile_gallery_cols = '{$bo_mobile_gallery_cols}' ";
 if (is_checked('chk_table_width'))      $fields .= " , bo_table_width = '{$bo_table_width}' ";
 if (is_checked('chk_page_rows'))        $fields .= " , bo_page_rows = '{$bo_page_rows}' ";
 if (is_checked('chk_subject_len'))      $fields .= " , bo_subject_len = '{$bo_subject_len}' ";
diff --git a/mobile/skin/board/basic/list.skin.php b/mobile/skin/board/basic/list.skin.php
index b1618406f..9c90cfbc1 100644
--- a/mobile/skin/board/basic/list.skin.php
+++ b/mobile/skin/board/basic/list.skin.php
@@ -140,8 +140,8 @@ if ($is_nogood) $colspan++;
         <option value="wr_name,1"<?=get_selected($sfl, 'wr_name,1');?>>글쓴이</option>
         <option value="wr_name,0"<?=get_selected($sfl, 'wr_name,0');?>>글쓴이(코)</option>
     </select>
-    <input name="stx" class="fs_input required" maxlength="15" size="15" required value="<?=stripslashes($stx)?>" title="검색어(필수)">
-    <input type="submit" class="fs_submit" value="검색">
+    <input name="stx" class="required" maxlength="15" size="15" required value="<?=stripslashes($stx)?>" title="검색어(필수)">
+    <input type="submit" value="검색">
     </form>
 </fieldset>
 
diff --git a/mobile/skin/board/gallery/list.skin.php b/mobile/skin/board/gallery/list.skin.php
index fe20dccb8..6f5b1cb66 100644
--- a/mobile/skin/board/gallery/list.skin.php
+++ b/mobile/skin/board/gallery/list.skin.php
@@ -60,13 +60,13 @@ include_once(G4_LIB_PATH.'/thumbnail.lib.php');
 
     <ul id="bo_img_list">
         <? for ($i=0; $i<count($list); $i++) {
-            if($i>0 && ($i % $board['bo_gallery_cols'] == 0))
+            if($i>0 && ($i % $board['bo_mobile_gallery_cols'] == 0))
                 $style = 'clear:both;';
             else
                 $style = '';
             if ($i == 0) $k = 0;
             $k += 1;
-            if ($k % $board['bo_gallery_cols'] == 0) $style .= "margin:0 !important;";
+            if ($k % $board['bo_mobile_gallery_cols'] == 0) $style .= "margin:0 !important;";
         ?>
         <li class="bo_img_list_li <? if ($wr_id == $list[$i]['wr_id']) { ?>bo_img_now<? } ?>" style="<?=$style?>">
             <? if ($is_checkbox) { ?><input type="checkbox" name="chk_wr_id[]" value="<?=$list[$i]['wr_id']?>" title="<?=$list[$i]['subject']?> 선택"><? } ?>
@@ -179,8 +179,8 @@ include_once(G4_LIB_PATH.'/thumbnail.lib.php');
         <option value="wr_name,1"<?=get_selected($sfl, "wr_name,1");?>>글쓴이</option>
         <option value="wr_name,0"<?=get_selected($sfl, "wr_name,0");?>>글쓴이(코)</option>
     </select>
-    <input name="stx" value="<?=stripslashes($stx)?>" title="검색어(필수)" required class="fs_input required" size="15" maxlength="15">
-    <input type="submit" class="fs_submit" value="검색">
+    <input name="stx" value="<?=stripslashes($stx)?>" title="검색어(필수)" required class="required" size="15" maxlength="15">
+    <input type="submit" value="검색">
     </form>
 </fieldset>
 
diff --git a/mobile/skin/member/basic/member_confirm.skin.php b/mobile/skin/member/basic/member_confirm.skin.php
index 1fcb63c65..76051a8a8 100644
--- a/mobile/skin/member/basic/member_confirm.skin.php
+++ b/mobile/skin/member/basic/member_confirm.skin.php
@@ -17,7 +17,7 @@ if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
     <fieldset>
         회원아이디
         <span id="mb_confirm_id"><?=$member[mb_id]?></span>
-        <input type="password" id="mb_confirm_pw" name="mb_password" class="fs_input" maxLength="20" size="15" required placeholder="패스워드(필수)" title="패스워드(필수)">
+        <input type="password" id="mb_confirm_pw" name="mb_password" class="frm_input" maxLength="20" size="15" required placeholder="패스워드(필수)" title="패스워드(필수)">
         <input type="submit" id="btn_submit" class="btn_submit" value="확인">
     </fieldset>
 
diff --git a/mobile/skin/new/basic/new.skin.php b/mobile/skin/new/basic/new.skin.php
index 7c909c5ec..502b8ab95 100644
--- a/mobile/skin/new/basic/new.skin.php
+++ b/mobile/skin/new/basic/new.skin.php
@@ -12,8 +12,8 @@ if (!defined("_GNUBOARD_")) exit; // 개별 페이지 접근 불가
         <option value="w">원글만
         <option value="c">코멘트만
     </select>
-    <input type="text" id="mb_id" name="mb_id" class="fs_input" value="<?=$mb_id?>" title="검색어(필수)">
-    <input type="submit" class="fs_submit" value="검색">
+    <input type="text" id="mb_id" name="mb_id" class="required" required value="<?=$mb_id?>" title="검색어(필수)">
+    <input type="submit" value="검색">
     </form>
     <script>
     function select_change()