根据lighthouse优化按钮，a标签

application/views/mobile_first/chinatravel.php

@@ -30,14 +30,14 @@
   <div role="button" tabindex="0">
     <div class="topnavitailor"><em class="fa fa-bars navimenu topnaviarrowdown action--open"></em></div>
     <a href="/" class="ctlogo">CHINA TRAVEL<sup>®</sup></a>
-    <div class="topbar-right"><a href="javascript:;" class="mobile-ser search--open"><i class="fa fa-search" aria-hidden="true"></i></a><a href="/forms/contactus" class="mobile-contact"><i class="fa fa-user-circle-o" aria-hidden="true"></i></a></div>
+    <div class="topbar-right"><a href="javascript:;" class="mobile-ser search--open" aria-label="SearchOpen"><i class="fa fa-search" aria-hidden="true"></i></a><a href="/forms/contactus" class="mobile-contact" aria-label="contactus"><i class="fa fa-user-circle-o" aria-hidden="true"></i></a></div>
   </div>
 </header>
 <div class="mobile-blank"></div>
 <!--header end--> 
 <!--nav-->
 <nav id="ml-menu" class="menu">
-  <button class="action action--close" aria-label="Close Menu"><span class="icon icon--cross"></span></button>
+  <button class="action action--close" name="closebtn" aria-label="Close Menu"><span class="icon icon--cross"></span></button>
   <div class="menu__wrap">
     <ul data-menu="main" class="menu__level" tabindex="-1" role="menu" aria-label="All">
       <li class="menu__item" role="menuitem"><a class="menu__link" href="/">Home</a></li>