导航按钮添加title

application/views/mobile_first/ah.php

@@ -34,7 +34,7 @@
 
       <header class="headerbar" id="header">      
         <img src="https://data.chinahighlights.com/image/tour-detail/icon/top-navigation-menu-button.jpg"
-        class="topnaviarrowdown action--open" width="26" height="25" style="position: absolute; top: 13px; left: 10px;">
+        class="topnaviarrowdown action--open" width="26" height="25" style="position: absolute; top: 13px; left: 10px;" title="navigation button">
         <a href="/" style="width: 103px; display: block; margin: 0 auto;"> <img src="https://data.asiahighlights.com/pic/logo-ah.png" alt="Asia Highlights logo" class="chinahighlightslogo img-responsive" width="238" height="117"></a>
         <div class="topnavitailor">
             <a href="/contact-us" class="infocustomize">Contact</a>        
@@ -51,7 +51,7 @@
         <input type="hidden" value="FORID:9" name="cof">
         <input type="text" onfocus="this.value = ''" class="strkeys" placeholder="site search" name="q">
         <input type="image" class="submits"
-          src="https://data.chinahighlights.com/pic/pc-top-navigation-web-search-bg.png" alt="site search button">
+          src="https://data.chinahighlights.com/pic/pc-top-navigation-web-search-bg.png" alt="site search button" title="site search button">
         <input type="hidden" name="__ftoken__" value="MTU5ODMzNDc2NDQ0NA==.3664784f0395175e7de44382781cd7f7cb647e2a">
       </form>
     </div>

application/views/mobile_first/ch.php

@@ -59,7 +59,7 @@
     <div role="button" class="topnavibutton">
       <img src="https://data.chinahighlights.com/image/tour-detail/icon/top-navigation-menu-button.jpg"
         class="navimenu topnaviarrowdown action--open" width="26px" height="25px"
-        style="position: relative; left: 10px; top: 12px; z-index: 9;" alt="menu button">
+        style="position: relative; left: 10px; top: 12px; z-index: 9;" alt="menu button" title="navigation button">
       <a href="/" style="width: 100%;
     display: inline-block;
     position: relative;
@@ -86,7 +86,7 @@
         <input type="hidden" value="FORID:9" name="cof">
         <input type="text" onfocus="this.value = ''" class="strkeys" placeholder="Search China Highlights" name="q">
         <input type="image" class="submits"
-          src="https://data.chinahighlights.com/pic/pc-top-navigation-web-search-bg.png" alt="site search button">
+          src="https://data.chinahighlights.com/pic/pc-top-navigation-web-search-bg.png" alt="site search button" title="site search button">
       </form>
     </div>
     <button class="action action--close" aria-label="Close Menu"><svg class="icon icon--cross" id="close"

application/views/mobile_first/gh.php

@@ -54,7 +54,7 @@
   <header class="headerbar" id="header">
     <img src="https://data.chinahighlights.com/image/tour-detail/icon/top-navigation-menu-button.jpg"
       class="navimenu topnaviarrowdown action--open" width="26" height="25"
-      style="position: relative; top: 12px; left: 10px;" alt="navigation button">
+      style="position: relative; top: 12px; left: 10px;" alt="navigation button" title="navigation button">
     <a href="/"><img src="https://data.chinahighlights.com/image/aboutus/logo-gh.png" alt="Global Highlights logo"
         class="chinahighlightslogo img-responsive" width="255" height="64"></a>
     <div class="topnavitailor">
@@ -70,7 +70,7 @@
           style="width: 85%;">
         <input type="image" class="submits"
           src="https://data.chinahighlights.com/pic/pc-top-navigation-web-search-bg.png" width="25px"
-          alt="site search button">
+          alt="site search button" title="site search button">
       </form>
     </div>