모바일 dropdown메뉴 open시 height 조정 채택완료

<!--{* Menu *}-->
<!--{@ menu}-->
   <li  class="{? .active}active{/} {? menu.submenu}dropdown {/}"  >
         <a href="{.me_link}" target="_{.me_target}" class="dropdown-toggle" {? C.G5_IS_MOBILE && menu.submenu}data-toggle="dropdown"{:}data-hover="dropdown"{/}>
           {.me_name} </a>
         <!--{@ submenu}-->
              <!--{? ..index_ == 0}-->
                   <ul class="dropdown-menu">
                       <!--{/}-->
                         < li class="dropdown-submenu {? ..active}active{/}">
                         <a href="{..me_link}" target="_{..me_target}">{..me_name}</a>
                          </li>
                                        
      <!--{? ..index_ == ..size_-1}-->
             <div class="gnb_img">
                     <img width="100%" class="img-responsive target_img" src="/images/ggg.jpg">
              </div> 

              </ul>
           <!--{/}-->
           <!--{/}-->
       </li>
   <!--{/}-->
 <!--{* End Menu *}-->