Image Slider not appearing/visual in live view/Browser

Question

I updated a link to my image browser and once I hit refresh, everything seemed fine. I checked my rework on live view, and the whole slider (including images and buttons) were no longer visual. (You could not see them.)
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<!--==============================header=================================-->
  <div class="header">
      <div>
        <div class="nav">
            <nav> 
                <ul class="menu">
                    <li class="current li-none"><a href="index.html">     Home     </a></li>
                    <li><a href="about.html">About</a></li>
                    <li><a href="portfolio.html">     Media      </a></li>
                    <li class="li-left li-none"><a href="products.html">     Products     </a></li>
                    <li><a href="news.html">News</a></li>
                    <li><a href="contacts.html">     Contact     </a></li>
                </ul>
            </nav>
      </div>
        <header>
            <h1><a href="index.html"><img src="images/logo234.png" alt=""></a></h1>
        </header>
        <div id="slide">       
            <div class="slider">
                <ul class="items">
                    <li><img src="images/slide-1.jpg" alt="" /></li>
                    <li><img src="images/slide-2.jpg" alt="" /></li>
                    <li><img src="images/slide-3.jpg" alt="" /></li>
                </ul>
            </div>
            <ul class="pags">
                <li><a href="#"><strong></strong></a></li>                <!--[This is the image I updated/changed]>
                <li><a href="#"><strong></strong></a></li>
                <li><a href="#"><strong></strong></a></li>
>
            </ul>   
        </div>
    </div>
  </div>  
<!--==============================content================================-->
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I checked in browser and you could also not see them there, either. The ONLY thing I changed was the link to the image. Here is the code, please let me know if you can help out at all.
Joe

Answer 1

Jon,
I have not uploaded the page yet, because this issue came up and I did not want a non-functional part of the site available online yet. However, I have done the following:
-Checked the link and that it is correct with no typo's, etc.
-Checked the Javascript (there are no issues there, either.)
I am going to download the original page from the server and compare once again to see if there are differences.
I will post updates.