diff --git a/modules/member/skins/default/common_header.html b/modules/member/skins/default/common_header.html
index d87989ed5..04499c665 100644
--- a/modules/member/skins/default/common_header.html
+++ b/modules/member/skins/default/common_header.html
@@ -3,8 +3,8 @@
 <load target="css/member.css" />
 <load target="js/member.js" />
 <section class="xm">
-	<ul class="x_nav x_nav-tabs" cond="$is_logged && $logged_info->menu_list && (!$member_srl || $member_srl == $logged_info->member_srl)">
-		<li loop="$logged_info->menu_list=>$key,$val" class="x_active"|cond="$key==$act">
+	<ul class="nav nav-tabs" cond="$is_logged && $logged_info->menu_list && (!$member_srl || $member_srl == $logged_info->member_srl)">
+		<li loop="$logged_info->menu_list=>$key,$val" class="active"|cond="$key==$act">
 			<a href="{getUrl('', 'act',$key, 'mid', $mid, 'vid', $vid)}">{Context::getLang($val)}</a>
 		</li>
 	</ul>
diff --git a/modules/member/skins/default/css/member.css b/modules/member/skins/default/css/member.css
index e1b5dcf0a..6ffab9c92 100644
--- a/modules/member/skins/default/css/member.css
+++ b/modules/member/skins/default/css/member.css
@@ -1,11 +1,11 @@
 @charset "utf-8";
 .xm em{font-style:normal;color:#f00}
-.xm .x_nav a,
-.xm .x_btn{text-decoration:none}
-.xm .x_dl-horizontal>dd{margin-bottom:10px}
-.xm .x_table{border-top:1px solid #ddd;border-bottom:1px solid #ddd}
-.xm .x_table>caption{text-align:left;font-weight:bold}
-.xm .x_table>caption>.x_pull-right{position:relative;top:-8px}
+.xm .nav a,
+.xm .btn{text-decoration:none}
+.xm .dl-horizontal>dd{margin-bottom:10px}
+.xm .table{border-top:1px solid #ddd;border-bottom:1px solid #ddd}
+.xm .table>caption{text-align:left;font-weight:bold}
+.xm .table>caption>.pull-right{position:relative;top:-8px}
 .xm .signin{width:400px;margin:30px auto;background-color:#ffffff;border:1px solid #999;border-radius:6px;box-shadow:0 3px 7px #ccc;box-sizing:border-box}
 .xm .signin>.login-header{padding:9px 15px;border-bottom:1px solid #eee}
 .xm .signin>.login-header>h1{margin:0;font-size:16px;line-height:1.4;font-weight:600;color:#666}
@@ -19,8 +19,8 @@
 .xm .signin>.login-footer>a:hover,
 .xm .signin>.login-footer>a:active,
 .xm .signin>.login-footer>a:focus{text-decoration:underline}
-.xm .signin .x_control-group{position:relative;padding:0 14px 0 0;margin:0;clear:both}
-.xm .signin .x_control-group:before{content:"";display:block;clear:both}
+.xm .signin .control-group{position:relative;padding:0 14px 0 0;margin:0;clear:both}
+.xm .signin .control-group:before{content:"";display:block;clear:both}
 .xm .signin form{margin:0}
 .xm .signin fieldset{margin:0}
 .xm .signin label{cursor:pointer;display:inline-block}
@@ -28,7 +28,7 @@
 .xm .signin input[type="email"],
 .xm .signin input[type="password"]{width:100%}
 .xm .signin input[type="checkbox"]{margin:0}
-.xm .signin .x_btn{border-radius:2px;overflow:visible;font-size:14px;line-height:18px;padding:3px 9px}
+.xm .signin .btn{border-radius:2px;overflow:visible;font-size:14px;line-height:18px;padding:3px 9px}
 .xm .signin .submit{position:absolute;top:0;right:0}
 .xm .signin #warning{margin-right:-14px}
 .xm .signin #warning>p{margin:10px 0}
@@ -39,5 +39,5 @@
 .xm .signin{margin:0;width:100%}
 }
 @media all and (min-width:768px){
-.xm .x_dl-horizontal>dt{margin-bottom:10px}
+.xm .dl-horizontal>dt{margin-bottom:10px}
 }
\ No newline at end of file
diff --git a/modules/member/skins/default/document_list.html b/modules/member/skins/default/document_list.html
index a32bc7efd..7c3cac32c 100644
--- a/modules/member/skins/default/document_list.html
+++ b/modules/member/skins/default/document_list.html
@@ -1,11 +1,11 @@
 <include target="./common_header.html" />
 <h1>{$member_title = $lang->cmd_view_own_document }</h1>
-<table class="x_table x_table-striped x_table-hover">
+<table class="table table-striped table-hover">
 	<caption>
 		Total: {number_format($total_count)}, Page {number_format($page)}/{number_format($total_page)}
-		<span class="x_pull-right x_btn-group">
-			<a href="{getUrl('','module','module','act','dispModuleSelectList','id','target_module','type','single')}" class="x_btn" onclick="popopen(this.href,'ModuleSelect');return false;">{$lang->cmd_find_module}</a>
-			<a href="{getUrl('selected_module_srl','')}" cond="$selected_module_srl" class="x_btn">{$lang->cmd_cancel}</a>
+		<span class="pull-right btn-group">
+			<a href="{getUrl('','module','module','act','dispModuleSelectList','id','target_module','type','single')}" class="btn" onclick="popopen(this.href,'ModuleSelect');return false;">{$lang->cmd_find_module}</a>
+			<a href="{getUrl('selected_module_srl','')}" cond="$selected_module_srl" class="btn">{$lang->cmd_cancel}</a>
 		</span>
 	</caption>
 	<thead>
@@ -36,11 +36,11 @@
 		</tr>
 	</tbody>
 </table>
-<div class="x_pagination x_pagination-centered">
+<div class="pagination pagination-centered">
 	<ul>
 		<li><a href="{getUrl('page','','module_srl','')}" class="direction">&laquo; {$lang->first_page}</a></li> 
 		<!--@while($page_no = $page_navigation->getNextPage())-->
-		<li class="x_active"|cond="$page == $page_no"><a href="{getUrl('page',$page_no,'module_srl','')}">{$page_no}</a></li>
+		<li class="active"|cond="$page == $page_no"><a href="{getUrl('page',$page_no,'module_srl','')}">{$page_no}</a></li>
 		<!--@end-->
 		<li><a href="{getUrl('page',$page_navigation->last_page,'module_srl','')}" class="direction">{$lang->last_page} &raquo;</a></li>
 	</ul>
diff --git a/modules/member/skins/default/find_member_account.html b/modules/member/skins/default/find_member_account.html
index cf3f207b7..a1db66852 100644
--- a/modules/member/skins/default/find_member_account.html
+++ b/modules/member/skins/default/find_member_account.html
@@ -10,9 +10,9 @@
 		<input type="hidden" name="mid" value="{$mid}" />
 		<input type="hidden" name="document_srl" value="{$document_srl}" />
 		<input type="hidden" name="page" value="{$page}" />
-		<span class="x_input-append">
+		<span class="input-append">
 			<input type="email" name="email_address" required placeholder="{$lang->email_address}" title="{$lang->email_address}" /> 
-			<input type="submit" class="x_btn x_btn-inverse" value="{$lang->cmd_find_member_account}" />
+			<input type="submit" class="btn btn-inverse" value="{$lang->cmd_find_member_account}" />
 		</span>
 	</form>
 </section>
@@ -42,7 +42,7 @@
 		<div>
 			<input type="text" name="find_account_answer" value="" required placeholder="{$lang->find_account_question}" title="{$lang->find_account_question}" />
 		</div>
-		<input type="submit" class="x_btn x_btn-inverse" value="{$lang->cmd_get_temp_password}" style="min-width:220px" />
+		<input type="submit" class="btn btn-inverse" value="{$lang->cmd_get_temp_password}" style="min-width:220px" />
 	</form>
 </section>
 <include target="./common_footer.html" />
diff --git a/modules/member/skins/default/leave_form.html b/modules/member/skins/default/leave_form.html
index 41cd5ba43..a05728996 100644
--- a/modules/member/skins/default/leave_form.html
+++ b/modules/member/skins/default/leave_form.html
@@ -13,9 +13,9 @@
 		<input type="email" value="{$formValue}" readonly title="{Context::getLang($identifier)}" />
 	</div>
 	<div>
-		<span class="x_input-append">
+		<span class="input-append">
 			<input type="password" name="password" id="cpw" required placeholder="{$lang->password}" title="{$lang->password}" />
-			<input type="submit" value="{$lang->cmd_leave}" class="x_btn x_btn-inverse" />
+			<input type="submit" value="{$lang->cmd_leave}" class="btn btn-inverse" />
 		</span>
 	</div>
 </form>
diff --git a/modules/member/skins/default/login_form.html b/modules/member/skins/default/login_form.html
index fd8a7dbd1..ce7eed11b 100644
--- a/modules/member/skins/default/login_form.html
+++ b/modules/member/skins/default/login_form.html
@@ -2,7 +2,7 @@
 <load target="filter/openid_login.xml" />
 <div class="signin">
 	<div class="login-header">
-		<h1><i class="x_icon-user"></i> {$lang->cmd_login}</h1>
+		<h1><i class="icon-user"></i> {$lang->cmd_login}</h1>
 	</div>
 	<div class="login-body">
 		<div cond="$XE_VALIDATOR_MESSAGE" class="message {$XE_VALIDATOR_MESSAGE_TYPE}">
@@ -12,12 +12,12 @@
 			<input type="hidden" name="success_return_url" value="{$referer_url}" />
 			<input type="hidden" name="act" value="procMemberLogin" />
 			<fieldset>
-				<div class="x_control-group">
+				<div class="control-group">
 					<input type="text" cond="$identifier == 'user_id'" name="user_id" id="uid" required placeholder="{$lang->user_id}" title="{$lang->user_id}" />
 					<input type="email" cond="$identifier != 'user_id'" name="user_id" id="uid" required placeholder="{$lang->email_address}" title="{$lang->email_address}" />
 					<input type="password" name="password" id="upw" required placeholder="{$lang->password}" title="{$lang->password}" />
 				</div>
-				<div class="x_control-group">
+				<div class="control-group">
 					<label for="keepid_opt">
 						<input type="checkbox" name="keep_signed" id="keepid_opt" value="Y" />
 						{$lang->keep_signed}
@@ -25,7 +25,7 @@
 					<div id="warning">
 						<p>{$lang->about_keep_warning}</p>
 					</div>
-					<input type="submit" value="{$lang->cmd_login}" class="submit x_btn x_btn-inverse" />
+					<input type="submit" value="{$lang->cmd_login}" class="submit btn btn-inverse" />
 				</div>
 			</fieldset>
 		</form>
diff --git a/modules/member/skins/default/logout.html b/modules/member/skins/default/logout.html
index f6f280783..c23b25204 100644
--- a/modules/member/skins/default/logout.html
+++ b/modules/member/skins/default/logout.html
@@ -4,6 +4,6 @@
 	<input type="hidden" name="mid" value="{$mid}" />
     <h1>{$lang->cmd_logout}</h1>
 	<p>{$lang->confirm_logout}</p>
-	<p><input type="submit" value="{$lang->cmd_logout}" class="x_btn x_btn-inverse" /></p>
+	<p><input type="submit" value="{$lang->cmd_logout}" class="btn btn-inverse" /></p>
 </form>
 <include target="./common_footer.html" />
diff --git a/modules/member/skins/default/member_info.html b/modules/member/skins/default/member_info.html
index 04a3fc519..d93e3b3ce 100644
--- a/modules/member/skins/default/member_info.html
+++ b/modules/member/skins/default/member_info.html
@@ -1,6 +1,6 @@
 <include target="./common_header.html" />
 <h1>{$lang->member_info}</h1>
-<dl class="x_dl-horizontal">
+<dl class="dl-horizontal">
 	<block loop="$displayDatas => $item">
 		<dt><em cond="$item->required || $item->mustRequired">*</em> {$item->title}</dt>
 		<dd>{$item->value}</dd>
@@ -14,10 +14,10 @@
 		<dd>{zdate($memberInfo[last_login],"Y-m-d")}</dd>
 	</block>
 </dl>
-<div class="btnArea x_btn-group" cond="$memberInfo['member_srl'] == $logged_info->member_srl">
-	<a href="{getUrl('act', 'dispMemberModifyEmailAddress')}" class="x_btn" cond="$member_config->identifier == 'email_address'">{$lang->cmd_modify_member_email_address}</a>
-	<a href="{getUrl('act','dispMemberModifyInfo','member_srl','')}" class="x_btn">{$lang->cmd_modify_member_info}</a>
-	<a href="{getUrl('act','dispMemberModifyPassword','member_srl','')}" class="x_btn">{$lang->cmd_modify_member_password}</a>
-	<a href="{getUrl('act','dispMemberLeave','member_srl','')}" class="x_btn">{$lang->cmd_leave}</a>
+<div class="btnArea btn-group" cond="$memberInfo['member_srl'] == $logged_info->member_srl">
+	<a href="{getUrl('act', 'dispMemberModifyEmailAddress')}" class="btn" cond="$member_config->identifier == 'email_address'">{$lang->cmd_modify_member_email_address}</a>
+	<a href="{getUrl('act','dispMemberModifyInfo','member_srl','')}" class="btn">{$lang->cmd_modify_member_info}</a>
+	<a href="{getUrl('act','dispMemberModifyPassword','member_srl','')}" class="btn">{$lang->cmd_modify_member_password}</a>
+	<a href="{getUrl('act','dispMemberLeave','member_srl','')}" class="btn">{$lang->cmd_leave}</a>
 </div>
 <include target="./common_footer.html" />
diff --git a/modules/member/skins/default/modify_email_address.html b/modules/member/skins/default/modify_email_address.html
index 3e28179da..74df73034 100644
--- a/modules/member/skins/default/modify_email_address.html
+++ b/modules/member/skins/default/modify_email_address.html
@@ -8,9 +8,9 @@
 	<input type="hidden" name="module" value="member" />
 	<input type="hidden" name="act" value="procMemberModifyEmailAddress" />
 	<input type="hidden" name="success_return_url" value="{getRequestUriByServerEnviroment()}" />
-	<span class="x_input-append">
+	<span class="input-append">
 		<input type="email" id="email_address" name="email_address" value="" required placeholder="{$lang->email_address}" title="{$lang->email_address}" />
-		<input type="submit" value="{$lang->cmd_send_auth_new_emaill_address}" class="x_btn x_btn-inverse" />
+		<input type="submit" value="{$lang->cmd_send_auth_new_emaill_address}" class="btn btn-inverse" />
 	</span>
 </form>
 <include target="./common_footer.html" />
diff --git a/modules/member/skins/default/modify_info.html b/modules/member/skins/default/modify_info.html
index 36c23ed82..a333a0737 100644
--- a/modules/member/skins/default/modify_info.html
+++ b/modules/member/skins/default/modify_info.html
@@ -12,23 +12,23 @@
 	xe.lang.deleteImageMark = '{$lang->msg_delete_extend_form}';
 	xe.lang.deleteImageName = '{$lang->msg_delete_extend_form}';
 </script>
-<form ruleset="@insertMember" id="fo_insert_member" action="./" method="post" enctype="multipart/form-data" class="x_form-horizontal">
+<form ruleset="@insertMember" id="fo_insert_member" action="./" method="post" enctype="multipart/form-data" class="form-horizontal">
     <input type="hidden" name="act" value="procMemberModifyInfo" />
     <input type="hidden" name="module" value="member" />
     <input type="hidden" name="member_srl" value="{$member_info->member_srl}" />
     <input type="hidden" name="signature" value="{htmlspecialchars($member_info->signature)}" />
     <input type="hidden" name="page" value="{$page}" />
-	<div class="x_control-group">
-		<label for="{$identifierForm->name}" class="x_control-label">{$identifierForm->title} <em style="color:red">*</em></label>
-		<div class="x_controls">
+	<div class="control-group">
+		<label for="{$identifierForm->name}" class="control-label">{$identifierForm->title} <em style="color:red">*</em></label>
+		<div class="controls">
 			<input type="hidden" name="{$identifierForm->name}" value="{$identifierForm->value}" />
 			<input type="text" name="{$identifierForm->name}" id="{$identifierForm->name}" value="{$identifierForm->value}" disabled="disabled" />
 		</div>
 	</div>
-	<div class="x_control-group" loop="$formTags=>$formTag">
-		<label for="" class="x_control-label">{$formTag->title}</label>
-		<div class="x_controls" cond="$formTag->name != 'signature'">{$formTag->inputTag}</div>
-		<div class="x_controls" cond="$formTag->name =='signature'">
+	<div class="control-group" loop="$formTags=>$formTag">
+		<label for="" class="control-label">{$formTag->title}</label>
+		<div class="controls" cond="$formTag->name != 'signature'">{$formTag->inputTag}</div>
+		<div class="controls" cond="$formTag->name =='signature'">
 			{$editor}
 <style scoped>
 .xpress-editor>#smart_content,
@@ -36,28 +36,28 @@
 </style>
 		</div>
 	</div>
-	<div class="x_control-group">
-		<div class="x_control-label">{$lang->allow_mailing}</div>
-		<div class="x_controls" style="padding-top:5px">
+	<div class="control-group">
+		<div class="control-label">{$lang->allow_mailing}</div>
+		<div class="controls" style="padding-top:5px">
 			<label for="mailingYes"><input type="radio" name="allow_mailing" id="mailingYes" value="Y" checked="checked"|cond="$member_info->allow_mailing == 'Y'"> {$lang->cmd_yes}</label>
 			<label for="mailingNo"><input type="radio" name="allow_mailing" id="mailingNo" value="N" checked="checked"|cond="$member_info->allow_mailing != 'Y'" > {$lang->cmd_no}</label>
 		</div>
 	</div>
-	<div class="x_control-group">
-		<div class="x_control-label">{$lang->allow_message}</div>
-		<div class="x_controls" style="padding-top:5px">
+	<div class="control-group">
+		<div class="control-label">{$lang->allow_message}</div>
+		<div class="controls" style="padding-top:5px">
 			<label for="allow_{$key}" loop="$lang->allow_message_type=>$key,$val"><input type="radio" name="allow_message" value="{$key}" checked="checked"|cond="$member_info->allow_message == $key" id="allow_{$key}" /> {$val}</label>
 		</div>
 	</div>
 	<div class="btnArea" style="border-top:1px solid #ccc;padding-top:10px">
-		<input type="submit" value="{$lang->cmd_registration}" class="x_btn x_btn-inverse x_pull-right" />
-		<a href="{getUrl('act','dispMemberInfo','member_srl','')}" class="x_btn x_pull-left">{$lang->cmd_cancel}</a>
+		<input type="submit" value="{$lang->cmd_registration}" class="btn btn-inverse pull-right" />
+		<a href="{getUrl('act','dispMemberInfo','member_srl','')}" class="btn pull-left">{$lang->cmd_cancel}</a>
 	</div>
 </form>
 <script>
 jQuery(function($){
 	// label for setup
-	$('.x_control-label[for]').each(function(){
+	$('.control-label[for]').each(function(){
 		var $this = $(this);
 		if($this.attr('for') == ''){
 			$this.attr('for', $this.next().children(':visible:first').attr('id'));
diff --git a/modules/member/skins/default/modify_password.html b/modules/member/skins/default/modify_password.html
index e1a3815cd..a3e96f28e 100644
--- a/modules/member/skins/default/modify_password.html
+++ b/modules/member/skins/default/modify_password.html
@@ -13,11 +13,11 @@
 		<input type="password" name="current_password" id="cpw" required placeholder="{$lang->current_password}" title="{$lang->current_password}" />
 	</div>
 	<div>
-		<input type="password" name="password1" id="npw1" required placeholder="{$lang->password1}" title="{$lang->password1}" /> <span class="x_help-inline">{$lang->about_password}</span>
+		<input type="password" name="password1" id="npw1" required placeholder="{$lang->password1}" title="{$lang->password1}" /> <span class="help-inline">{$lang->about_password}</span>
 	</div>
 	<div>
 		<input type="password" name="password2" id="npw2" required placeholder="{$lang->password2}" title="{$lang->password2}" />
 	</div>
-	<input type="submit" value="{$lang->cmd_registration}" class="x_btn x_btn-inverse" style="min-width:220px" />
+	<input type="submit" value="{$lang->cmd_registration}" class="btn btn-inverse" style="min-width:220px" />
 </form>
 <include target="./common_footer.html" />
diff --git a/modules/member/skins/default/rechecked_password.html b/modules/member/skins/default/rechecked_password.html
index a636d1269..e0e462978 100644
--- a/modules/member/skins/default/rechecked_password.html
+++ b/modules/member/skins/default/rechecked_password.html
@@ -10,9 +10,9 @@
 	<div>
 		<input type="email" value="{$identifierValue}" readonly title="{$lang->email}" />
 	</div>
-	<span class="x_input-append">
+	<span class="input-append">
 		<input type="password" name="password" required placeholder="{$lang->password}" title="{$lang->password}" />
-		<input type="submit" value="{$lang->cmd_confirm}" class="x_btn x_btn-inverse" />
+		<input type="submit" value="{$lang->cmd_confirm}" class="btn btn-inverse" />
 	</span>
 </form>
 <include target="./common_footer.html" />
diff --git a/modules/member/skins/default/resend_auth_mail.html b/modules/member/skins/default/resend_auth_mail.html
index e985a38c5..ff3868037 100644
--- a/modules/member/skins/default/resend_auth_mail.html
+++ b/modules/member/skins/default/resend_auth_mail.html
@@ -8,9 +8,9 @@
 	<input type="hidden" name="module" value="member" />
 	<input type="hidden" name="act" value="procMemberResendAuthMail" />
 	<input type="hidden" name="success_return_url" value="{getUrl(act, $act)}" />
-	<span class="x_input-append">
+	<span class="input-append">
 		<input type="email" id="email_address" name="email_address" value="" required placeholder="{$lang->email_address}" title="{$lang->email_address}" />
-		<input type="submit" value="{$lang->cmd_resend_auth_mail}" class="x_btn x_btn-inverse" />
+		<input type="submit" value="{$lang->cmd_resend_auth_mail}" class="btn btn-inverse" />
 	</span>
 </form>
 <include target="./common_footer.html" />
diff --git a/modules/member/skins/default/reset_mail.html b/modules/member/skins/default/reset_mail.html
index 1934d089d..9c1951c92 100644
--- a/modules/member/skins/default/reset_mail.html
+++ b/modules/member/skins/default/reset_mail.html
@@ -8,17 +8,17 @@
 	<input type="hidden" name="module" value="member" />
 	<input type="hidden" name="act" value="procMemberResendAuthMail" />
 	<input type="hidden" name="email_address" value="{$memberInfo->email_address}" />
-	<div class="x_input-append">
+	<div class="input-append">
 		<input type="text" readonly="readonly" disabled="disabled" value="{$memberInfo->email_address}" title="{$lang->cmd_resend_auth_mail}" /> 
-		<input type="submit" id="resend_button" name="" value="{$lang->cmd_resend_auth_mail}" class="x_btn x_btn-inverse" />
+		<input type="submit" id="resend_button" name="" value="{$lang->cmd_resend_auth_mail}" class="btn btn-inverse" />
 	</div>
 </form>
 <form ruleset="resetAuthMail" action="./" method="post">
 	<input type="hidden" name="module" value="member" />
 	<input type="hidden" name="act" value="procMemberResetAuthMail" />
-	<div class="x_input-append">
+	<div class="input-append">
 		<input type="text" id="email_address" name="email_address" value="" placeholder="{$lang->cmd_modify_new_auth_email_address}" title="{$lang->cmd_modify_new_auth_email_address}" /> 
-		<input type="submit" value="{$lang->cmd_send_auth_new_emaill_address}" class="x_btn x_btn-inverse" />
+		<input type="submit" value="{$lang->cmd_send_auth_new_emaill_address}" class="btn btn-inverse" />
 	</div>
 	<p>{$lang->about_reset_auth_mail_submit}</p>
 </form>
diff --git a/modules/member/skins/default/saved_list.html b/modules/member/skins/default/saved_list.html
index 3ee740d4c..7ae9ddf06 100644
--- a/modules/member/skins/default/saved_list.html
+++ b/modules/member/skins/default/saved_list.html
@@ -1,6 +1,6 @@
 <include target="./common_header.html" />
 <h1>{$member_title = $lang->cmd_view_saved_document}</h1>
-<table class="x_table x_table-striped x_table-hover">
+<table class="table table-striped table-hover">
 	<caption>Total: {number_format($total_count)}, Page: {number_format($page)}/{number_format($total_page)}</caption>
 	<thead>
 		<tr>
@@ -20,11 +20,11 @@
 		</tr>
 	</tbody>
 </table>
-<div class="x_pagination x_pagination-centered">
+<div class="pagination pagination-centered">
 	<ul>
 		<li><a href="{getUrl('page','','module_srl','')}" class="direction">&laquo; {$lang->first_page}</a></li> 
 		<!--@while($page_no = $page_navigation->getNextPage())-->
-		<li class="x_active"|cond="$page == $page_no"><a href="{getUrl('page',$page_no,'module_srl','')}">{$page_no}</a></li> 
+		<li class="active"|cond="$page == $page_no"><a href="{getUrl('page',$page_no,'module_srl','')}">{$page_no}</a></li> 
 		<!--@end-->
 		<li><a href="{getUrl('page',$page_navigation->last_page,'module_srl','')}" class="direction">{$lang->last_page} &raquo;</a></li>
 	</ul>
diff --git a/modules/member/skins/default/scrapped_list.html b/modules/member/skins/default/scrapped_list.html
index d37188a92..3d4c3d267 100644
--- a/modules/member/skins/default/scrapped_list.html
+++ b/modules/member/skins/default/scrapped_list.html
@@ -1,6 +1,6 @@
 <include target="./common_header.html" />
 <h1>{$member_title = $lang->cmd_view_scrapped_document}</h1>
-<table class="x_table x_table-striped x_table-hover">
+<table class="table table-striped table-hover">
 	<caption>Total: {number_format($total_count)}, Page: {number_format($page)}/{number_format($total_page)}</caption>
 	<thead>
 		<tr>
@@ -21,11 +21,11 @@
 		</tr>
 	</tbody>
 </table>
-<div class="x_pagination x_pagination-centered">
+<div class="pagination pagination-centered">
 	<ul>
 		<li><a href="{getUrl('page','','module_srl','')}">&laquo; {$lang->first_page}</a></li>
 		<!--@while($page_no = $page_navigation->getNextPage())-->
-		<li class="x_active"|cond="$page == $page_no"><a href="{getUrl('page',$page_no,'module_srl','')}">{$page_no}</a></li>
+		<li class="active"|cond="$page == $page_no"><a href="{getUrl('page',$page_no,'module_srl','')}">{$page_no}</a></li>
 		<!--@end-->
 		<li><a href="{getUrl('page',$page_navigation->last_page,'module_srl','')}">{$lang->last_page} &raquo;</a></li>
 	</ul>
diff --git a/modules/member/skins/default/signup_form.html b/modules/member/skins/default/signup_form.html
index 83066c30e..2f3d75b47 100644
--- a/modules/member/skins/default/signup_form.html
+++ b/modules/member/skins/default/signup_form.html
@@ -7,7 +7,7 @@
 	<div cond="$XE_VALIDATOR_MESSAGE" class="message {$XE_VALIDATOR_MESSAGE_TYPE}">
 		<p>{$XE_VALIDATOR_MESSAGE}</p>
 	</div>
-    <form ruleset="@insertMember" id="fo_insert_member" action="./" method="post" enctype="multipart/form-data" class="x_form-horizontal">
+    <form ruleset="@insertMember" id="fo_insert_member" action="./" method="post" enctype="multipart/form-data" class="form-horizontal">
 		<input type="hidden" name="act" value="procMemberInsert" />
 		<div class="agreement" cond="$member_config->agreement">
 			<div class="text">
@@ -20,51 +20,51 @@
 				</label>
 			</div>
 		</div>
-		<div class="x_control-group">
-			<label for="{$identifierForm->name}" class="x_control-label"><em>*</em> {$identifierForm->title}</label>
-			<div class="x_controls">
+		<div class="control-group">
+			<label for="{$identifierForm->name}" class="control-label"><em>*</em> {$identifierForm->title}</label>
+			<div class="controls">
 				<input type="text"|cond="$identifierForm->name!='email_address'" type="email"|cond="$identifierForm->name=='email_address'" name="{$identifierForm->name}" id="{$identifierForm->name}" value="{$identifierForm->value}" required />
 			</div>
 		</div>
-		<div class="x_control-group">
-			<label for="password" class="x_control-label"><em>*</em> {$lang->password}</label>
-			<div class="x_controls">
+		<div class="control-group">
+			<label for="password" class="control-label"><em>*</em> {$lang->password}</label>
+			<div class="controls">
 				<input type="password" name="password" id="password" value="" required />
-				<p class="x_help-inline">{$lang->about_password}</p>
+				<p class="help-inline">{$lang->about_password}</p>
 			</div>
 		</div>
-		<div class="x_control-group">
-			<label for="password2" class="x_control-label"><em>*</em> {$lang->password3}</label>
-			<div class="x_controls">
+		<div class="control-group">
+			<label for="password2" class="control-label"><em>*</em> {$lang->password3}</label>
+			<div class="controls">
 				<input type="password" name="password2" id="password2" value="" required />
 			</div>
 		</div>
-		<div class="x_control-group" loop="$formTags=>$formTag" cond="$formTag->name != 'signature'">
-			<label for="" class="x_control-label">{$formTag->title}</label>
-			<div class="x_controls">{$formTag->inputTag}</div>
+		<div class="control-group" loop="$formTags=>$formTag" cond="$formTag->name != 'signature'">
+			<label for="" class="control-label">{$formTag->title}</label>
+			<div class="controls">{$formTag->inputTag}</div>
 		</div>
-		<div class="x_control-group">
-			<div class="x_control-label">{$lang->allow_mailing}</div>
-			<div class="x_controls" style="padding-top:5px">
+		<div class="control-group">
+			<div class="control-label">{$lang->allow_mailing}</div>
+			<div class="controls" style="padding-top:5px">
 				<label for="mailingYes"><input type="radio" name="allow_mailing" id="mailingYes" value="Y" checked="checked"|cond="$member_info->allow_mailing == 'Y'" /> {$lang->cmd_yes}</label>
 				<label for="mailingNo"><input type="radio" name="allow_mailing" id="mailingNo" value="N" checked="checked"|cond="$member_info->allow_mailing != 'Y'" /> {$lang->cmd_no}</label>
 			</div>
 		</div>
-		<div class="x_control-group">
-			<div class="x_control-label">{$lang->allow_message}</div>
-			<div class="x_controls" style="padding-top:5px">
+		<div class="control-group">
+			<div class="control-label">{$lang->allow_message}</div>
+			<div class="controls" style="padding-top:5px">
 				<label for="allow_{$key}" loop="$lang->allow_message_type=>$key,$val"><input type="radio" name="allow_message" value="{$key}" checked="checked"|cond="$member_info->allow_message == $key || (!$member_info && $key == 'Y')" id="allow_{$key}" /> {$val}</label>
 			</div>
 		</div>
 		<div class="btnArea" style="border-top:1px solid #ccc;padding-top:10px">
-			<input type="submit" value="{$lang->cmd_registration}" class="x_btn x_btn-inverse x_pull-right" />
-			<a href="{getUrl('act','','member_srl','')}" class="x_btn x_pull-left">{$lang->cmd_cancel}</a>
+			<input type="submit" value="{$lang->cmd_registration}" class="btn btn-inverse pull-right" />
+			<a href="{getUrl('act','','member_srl','')}" class="btn pull-left">{$lang->cmd_cancel}</a>
 		</div>
 	</form>
 <script>
 jQuery(function($){
 	// label for setup
-	$('.x_control-label[for]').each(function(){
+	$('.control-label[for]').each(function(){
 		var $this = $(this);
 		if($this.attr('for') == ''){
 			$this.attr('for', $this.next().children(':visible:first').attr('id'));