제로보드 xe 1.7.10 버전으로 홈페이지 작성중인데 home 메뉴가 있는 라인의 색상이 검정색으로 디폴트로 잡혀 있는 것을 하늘색으로 변경 하고 싶은데 레이아웃 -> default -> HTML/CSS 에서 어느 부분을 어떻게 바꿔야 하나요??

<load target="default.layout.css" />
<load target="default.layout.webfont.css" cond="$layout_info->WEB_FONT == 'YES'" />
<load target="../../common/js/respond.min.js" targetie="lt IE 9" />
<load target="default.layout.js" type="body" />
<div class="container">
 <p class="skip"><a href="#content">{$lang->skip_to_content}</a></p>
 <header class="header">
  <h1>
   <a href="{geturl('')}" id="siteTitle">
    <img src="siteTitle.png" alt="XpressEngine" cond="!Context::getSiteTitle() && !$layout_info->LOGO_IMG && !$layout_info->LOGO_TEXT">
    <block cond="Context::getSiteTitle() && !$layout_info->LOGO_IMG && !$layout_info->LOGO_TEXT">{Context::getSiteTitle()}</block>
    <img src="{$layout_info->LOGO_IMG}" alt="{$layout_info->LOGO_TEXT}" cond="$layout_info->LOGO_IMG">
    <block cond="!$layout_info->LOGO_IMG && $layout_info->LOGO_TEXT">{$layout_info->LOGO_TEXT}</block>
   </a>
  </h1>
  <div class="side">
   <!-- ACCOUNT -->
   <img widget="login_info" skin="default" />
   <!-- /ACCOUNT -->
   <!-- SEARCH -->
   <form action="{getUrl()}" method="get" class="search">
    <input type="hidden" name="vid" value="{$vid}" />
    <input type="hidden" name="mid" value="{$mid}" />
    <input type="hidden" name="act" value="IS" />
    <input type="text" name="is_keyword" value="{$is_keyword}" required placeholder="{$lang->cmd_search}" title="{$lang->cmd_search}" />
    <input type="submit" value="{$lang->cmd_search}" />
   </form>
   <!-- /SEARCH -->
  </div>
  <!-- GNB -->
  <nav class="gnb" id="gnb">
   <ul>
    <li loop="$GNB->list=>$key1,$val1" class="active"|cond="$val1['selected']">
     <a href="{$val1['href']}" target="_blank"|cond="$val1['open_window']=='Y'">{$val1['link']}</a>
     <ul cond="$val1['list']">
      <li loop="$val1['list']=>$key2,$val2" class="active"|cond="$val2['selected']"><a href="{$val2['href']}" target="_blank"|cond="$val2['open_window']=='Y'">{$val2['link']}</a></li>
     </ul>
    </li>
   </ul>
  </nav>
  <!-- /GNB -->
 </header>
 <!-- VISUAL | DEFAULT -->
 <div class="visual main"|cond="$layout_info->LAYOUT_TYPE=='MAIN_PAGE'" class="visual sub"|cond="$layout_info->LAYOUT_TYPE=='SUB_PAGE'" cond="!$layout_info->VISUAL_IMAGE_1 && !$layout_info->VISUAL_IMAGE_2 && !$layout_info->VISUAL_IMAGE_3 && $layout_info->VISUAL_USE=='YES'">
  <div class="list">
   <a href="{geturl('','module','admin','act','dispAdminConfigGeneral')}" class="item i1" cond="$layout_info->LAYOUT_TYPE=='MAIN_PAGE'">
    <img src="visual.main.1.jpg" alt="" />
    <p>Click, to change<br> the site title.</p>
   </a>
   <a href="{geturl('','module','admin','act','dispMenuAdminSiteMap')}" class="item i2" cond="$layout_info->LAYOUT_TYPE=='MAIN_PAGE'">
    <img src="visual.main.2.jpg" alt="" />
    <p>Click, to change<br> the site navigation.</p>
   </a>
   <a href="{geturl('','module','admin','act','dispLayoutAdminInstanceList','layout','default')}" class="item i3" cond="$layout_info->LAYOUT_TYPE=='MAIN_PAGE'">
    <img src="visual.main.3.jpg" alt="" />
    <p>Click, to change<br> the site visual image.</p>
   </a>
   <a href="{geturl('','module','admin','act','dispLayoutAdminInstanceList','layout','default')}" class="item i1" cond="$layout_info->LAYOUT_TYPE=='SUB_PAGE'">
    <img src="visual.sub.jpg" alt="" />
    <p>Click, to change the site visual image.</p>
   </a>
  </div>
  <button type="button" class="prev" title="Prev"><i></i></button>
  <button type="button" class="next" title="Next"><i></i></button>
 </div>
 <!-- VISUAL | USER DEFINE -->
 <div class="visual main"|cond="$layout_info->LAYOUT_TYPE=='MAIN_PAGE'" class="visual sub"|cond="$layout_info->LAYOUT_TYPE=='SUB_PAGE'" cond="($layout_info->VISUAL_IMAGE_1 || $layout_info->VISUAL_IMAGE_2 || $layout_info->VISUAL_IMAGE_3) && $layout_info->VISUAL_USE=='YES'">
  <div class="list">
   <a href="{$layout_info->VISUAL_LINK_1}" class="item i1" cond="$layout_info->VISUAL_IMAGE_1">
    <img src="{$layout_info->VISUAL_IMAGE_1}" alt="" />
    <p>{$layout_info->VISUAL_TEXT_1}</p>
   </a>
   <a href="{$layout_info->VISUAL_LINK_2}" class="item i2" cond="$layout_info->VISUAL_IMAGE_2">
    <img src="{$layout_info->VISUAL_IMAGE_2}" alt="" />
    <p>{$layout_info->VISUAL_TEXT_2}</p>
   </a>
   <a href="{$layout_info->VISUAL_LINK_3}" class="item i3" cond="$layout_info->VISUAL_IMAGE_3">
    <img src="{$layout_info->VISUAL_IMAGE_3}" alt="" />
    <p>{$layout_info->VISUAL_TEXT_3}</p>
   </a>
  </div>
  <button type="button" class="prev" title="Prev"><i></i></button>
  <button type="button" class="next" title="Next"><i></i></button>
 </div>
 <!-- /VISUAL -->
 <div class="body main"|cond="$layout_info->LAYOUT_TYPE=='MAIN_PAGE'" class="body sub"|cond="$layout_info->LAYOUT_TYPE=='SUB_PAGE'">
  <!-- LNB -->
  <nav class="lnb" cond="$layout_info->LAYOUT_TYPE == 'SUB_PAGE'">
   <h1 loop="$GNB->list=>$key1,$val1" cond="$val1['selected']"><a href="{$val1['href']}" target="_blank"|cond="$val1['open_window']=='Y'">{$val1['link']}</a></h1>
   <ul loop="$GNB->list=>$key1,$val1" cond="$val1['selected'] && $val1['list']">
    <li loop="$val1['list']=>$key2,$val2" class="active"|cond="$val2['selected']"><a href="{$val2['href']}" target="_blank"|cond="$val2['open_window']=='Y'">{$val2['link']}</a>
     <ul cond="$val2['list']">
      <li loop="$val2['list']=>$key3,$val3" class="active"|cond="$val3['selected']"><a href="{$val3['href']}" target="_blank"|cond="$val3['open_window']=='Y'">{$val3['link']}</a></li>
     </ul>
    </li>
   </ul>
  </nav>
  <!-- /LNB -->
  <!-- CONTENT -->
  <div class="content" id="content">
   {$content}
  </div>
  <!-- /CONTENT -->
 </div>
</div>
<footer class="footer">
 <p cond="!$layout_info->FOOTER">Powered by <a href="