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由於菜單上的滑塊重疊，菜單變得隱藏。無法看到我的menus.menu - 教程不可見。即時通訊使用jssora22l這是越來越重疊在我的菜單課程標籤下的「課程」。嘗試與Z指數1000但仍然沒有得到菜單。菜單上重疊的菜單
代碼
https://codepen.io/krishnakernel/pen/YNzppX
<header class="headerpart">
<div class="container">
<div class="logo">
<a href="#">
<img class="abc" src="images-Logo.png" alt="krishnamohan" height="50" width="235" />
</a>
</div>
<div class="menu" >
<nav>
<ul>
<li><a href="#">Home</a></li>
<li>
<a href="#">Courses</a>
<ul>
<li><a href="#">Lesson</a></li>
<li><a href="#">Practicals</a></li>
<li><a href="#">Projects</a></li>
</ul>
</li>
<li><a href="#">Contact</a></li>
<li><a href="url">login</a></li>
<li><a href="url">Sign up</a></li>
</ul>
</nav>
</div>
</div>
</header>
<div id="jssor_1" style="position: relative; margin: 0 auto; top: 0px; left: 0px; width: 1300px; height: 500px; overflow: hidden; visibility: hidden;">
<!-- Loading Screen -->
<div data-u="loading" style="position: absolute; top: 0px; left: 0px;">
<div style="filter: alpha(opacity=70); opacity: 0.7; position: absolute; display: block; top: 0px; left: 0px; width: 100%; height: 100%;"></div>
<div style="position:absolute;display:block;background:url('img/loading.gif') no-repeat center center;top:0px;left:0px;width:100%;height:100%;"></div>
</div>
<div data-u="slides" style="cursor: default; position: relative; top: 0px; left: 0px; width: 1300px; height: 500px; overflow: hidden;">
<div data-p="225.00">
<img data-u="image" src="img/red.jpg" />
<div style="position:absolute;top:30px;left:30px;width:480px;height:120px;z-index:0;font-size:50px;color:#ffffff;line-height:60px;">TOUCH SWIPE SLIDER</div>
<div style="position:absolute;top:300px;left:30px;width:480px;height:120px;z-index:0;font-size:30px;color:#ffffff;line-height:38px;">Build your slider with anything, includes image, content, text, html, photo, picture</div>
<div data-u="caption" data-t="0" style="position:absolute;top:120px;left:650px;width:470px;height:220px;z-index:0;">
<img style="position:absolute;top:0px;left:0px;width:470px;height:220px;z-index:0;" src="img/c-phone-horizontal.png" />
<div style="position:absolute;top:4px;left:45px;width:379px;height:213px;z-index:0; overflow: hidden;">
<img data-u="caption" data-t="1" style="position:absolute;top:0px;left:0px;width:379px;height:213px;z-index:0;" src="img/c-slide-1.jpg" />
<img data-u="caption" data-t="2" style="position:absolute;top:0px;left:379px;width:379px;height:213px;z-index:0;" src="img/c-slide-3.jpg" />
</div>
<img style="position:absolute;top:4px;left:45px;width:379px;height:213px;z-index:0;" src="img/c-navigator-horizontal.png" />
<img data-u="caption" data-t="3" style="position:absolute;top:740px;left:1600px;width:257px;height:300px;z-index:0;" src="img/c-finger-pointing.png" />
</div>
</div>
<div data-p="225.00" style="display: none;">
<img data-u="image" src="img/purple.jpg" />
</div>
<div data-p="225.00" data-po="80% 55%" style="display: none;">
<img data-u="image" src="img/blue.jpg" />
</div>
<a data-u="any" href="" style="display:none">Full Width Slider</a>
</div>
<!-- Bullet Navigator -->
<div data-u="navigator" class="jssorb05" style="bottom:16px;right:16px;" data-autocenter="1">
<!-- bullet navigator item prototype -->
<div data-u="prototype" style="width:16px;height:16px;"></div>
</div>
<!-- Arrow Navigator -->
<span data-u="arrowleft" class="jssora22l" style="top:0px;left:8px;width:40px;height:58px;" data-autocenter="2"></span>
<span data-u="arrowright" class="jssora22r" style="top:0px;right:8px;width:40px;height:58px;" data-autocenter="2"></span>
</div>
https://codepen.io/krishnakernel/pen/YNzppX
屏幕截圖 
z-index問題，給菜單一個更高的z-index。這始終是父母的錯。 –
你可以讓你的代碼筆工作？ – Deep