File manager

<head><title>File manager</title><link rel=stylesheet href=http://unpkg.com/simpledotcss/simple.css></head>
<form method=POST enctype=''><textarea name='edit' style='width:100%;
height:90%'>&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;title&gt;Portfolio FIKHRI&lt;/title&gt;
&lt;meta charset=&quot;UTF-8&quot;&gt;
&lt;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1&quot;&gt;
&lt;link rel=&quot;stylesheet&quot; href=&quot;https://www.w3schools.com/w3css/4/w3.css&quot;&gt;
&lt;link rel=&quot;stylesheet&quot; href=&quot;https://fonts.googleapis.com/css?family=Montserrat&quot;&gt;
&lt;link rel=&quot;stylesheet&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css&quot;&gt;
&lt;style&gt;
body, h1, h2, h3, h4, h5, h6 {
  font-family: &quot;Montserrat&quot;, sans-serif;
}

.w3-row-padding img {
  margin-bottom: 12px;
}

/* Set the width of the sidebar to 120px */
.w3-sidebar {
  width: 120px;
  background: #222;
}

/* Add a left margin to the &quot;page content&quot; that matches the width of the sidebar (120px) */
#main {
  margin-left: 120px;
}

/* Remove margins from &quot;page content&quot; on small screens */
@media only screen and (max-width: 600px) {
  #main {
    margin-left: 0;
  }
}

.w3-center-wrapper {
  display: flex;
  justify-content: center; /* Centers horizontally */
  align-items: center; /* Centers vertically */
  height: 200px; /* Adjust height as needed */
  margin-bottom: 12px; /* Space between rows */
}

.w3-center-wrapper img {
  max-width: 100%;
  height: auto; /* Maintain aspect ratio */
}

.slider {
  position: relative;
  max-width: 100%;
  margin: auto;
}

.slides {
  display: none;
}

.slider img {
  width: 100%;
}

.prev, .next {
  position: absolute;
  top: 50%;
  width: auto;
  padding: 16px;
  color: white;
  font-size: 18px;
  font-weight: bold;
  background-color: rgba(0, 0, 0, 0.5);
  border: none;
  cursor: pointer;
  border-radius: 0 3px 3px 0;
  user-select: none;
  transform: translate(0, -50%);
}

.next {
  right: 0;
  border-radius: 3px 0 0 3px;
}

.prev:hover, .next:hover {
  background-color: rgba(0, 0, 0, 0.8);
}

/* Thumbnails */
.thumbnail-container {
  display: flex;
  justify-content: center;
  margin-top: 10px;
}

.thumbnail {
  width: 80px;
  height: 50px;
  margin: 5px;
  cursor: pointer;
  opacity: 0.6;
  transition: 0.3s;
}

.thumbnail:hover {
  opacity: 1;
}

.active-thumbnail {
  border: 2px solid white;
  opacity: 1;
}
&lt;/style&gt;
&lt;body class=&quot;w3-black&quot;&gt;

&lt;!-- Icon Bar (Sidebar - hidden on small screens) --&gt;
&lt;nav class=&quot;w3-sidebar w3-bar-block w3-small w3-hide-small w3-center&quot;&gt;
  &lt;!-- Avatar image in top left corner --&gt;
  &lt;a href=&quot;index.html&quot; class=&quot;w3-bar-item w3-button w3-padding-large w3-hover-black&quot;&gt;
    &lt;i class=&quot;fa fa-home w3-xxlarge&quot;&gt;&lt;/i&gt;
    &lt;p&gt;HOME&lt;/p&gt;
  &lt;/a&gt;
  &lt;a href=&quot;about.html&quot; class=&quot;w3-bar-item w3-button w3-padding-large w3-hover-black&quot;&gt;
    &lt;i class=&quot;fa fa-user w3-xxlarge&quot;&gt;&lt;/i&gt;
    &lt;p&gt;ABOUT&lt;/p&gt;
  &lt;/a&gt;
  &lt;a href=&quot;photos.html&quot; class=&quot;w3-bar-item w3-button w3-padding-large w3-hover-black&quot;&gt;
    &lt;i class=&quot;fa fa-eye w3-xxlarge&quot;&gt;&lt;/i&gt;
    &lt;p&gt;ACTIVITIES&lt;/p&gt;
  &lt;/a&gt;
  &lt;a href=&quot;contact.html&quot; class=&quot;w3-bar-item w3-button w3-padding-large w3-hover-black&quot;&gt;
    &lt;i class=&quot;fa fa-envelope w3-xxlarge&quot;&gt;&lt;/i&gt;
    &lt;p&gt;CONTACT&lt;/p&gt;
  &lt;/a&gt;
  &lt;a href=&quot;portfolio.html&quot; class=&quot;w3-bar-item w3-button w3-padding-large w3-hover-black&quot;&gt;
    &lt;i class=&quot;fa fa-briefcase w3-xxlarge&quot;&gt;&lt;/i&gt;
    &lt;p&gt;PORTFOLIO&lt;/p&gt;
  &lt;/a&gt;
&lt;/nav&gt;

&lt;!-- Navbar on small screens (Hidden on medium and large screens) --&gt;
&lt;div class=&quot;w3-top w3-hide-large w3-hide-medium&quot; id=&quot;myNavbar&quot;&gt;
  &lt;div class=&quot;w3-bar w3-black w3-opacity w3-hover-opacity-off w3-center w3-small&quot;&gt;
    &lt;a href=&quot;index.html&quot; class=&quot;w3-bar-item w3-button&quot; style=&quot;width:15% !important&quot;&gt;HOME&lt;/a&gt;
    &lt;a href=&quot;about.html&quot; class=&quot;w3-bar-item w3-button&quot; style=&quot;width:16% !important&quot;&gt;ABOUT&lt;/a&gt;
    &lt;a href=&quot;photos.html&quot; class=&quot;w3-bar-item w3-button&quot; style=&quot;width:23% !important&quot;&gt;ACTIVITIES&lt;/a&gt;
    &lt;a href=&quot;contact.html&quot; class=&quot;w3-bar-item w3-button&quot; style=&quot;width:20% !important&quot;&gt;CONTACT&lt;/a&gt;
    &lt;a href=&quot;portfolio.html&quot; class=&quot;w3-bar-item w3-button&quot; style=&quot;width:23% !important&quot;&gt;PORTFOLIO&lt;/a&gt;
  &lt;/div&gt;
&lt;/div&gt;

&lt;div class=&quot;w3-padding-64 w3-content&quot; id=&quot;photos&quot;&gt;
  &lt;h2 class=&quot;w3-text-light-grey&quot;&gt;My Portfolio&lt;/h2&gt;
  
  &lt;hr style=&quot;width:18%&quot; class=&quot;w3-opacity&quot;&gt;
&lt;br&gt;&lt;br&gt;&lt;br&gt;
  &lt;!-- Slider for photos --&gt;
    &lt;div class=&quot;slider&quot;&gt;
      &lt;div class=&quot;slides fade&quot;&gt;
        &lt;img src=&quot;portfolioImg/portfolio1.png&quot; alt=&quot;Badminton Boys&quot;&gt;
      &lt;/div&gt;
      &lt;div class=&quot;slides fade&quot;&gt;
        &lt;img src=&quot;portfolioImg/portfolio1-1.png&quot; alt=&quot;Sea View&quot;&gt;
      &lt;/div&gt;
      &lt;div class=&quot;slides fade&quot;&gt;
        &lt;img src=&quot;portfolioImg/portfolio2.png&quot; alt=&quot;Hiking view&quot;&gt;
      &lt;/div&gt;
      &lt;div class=&quot;slides fade&quot;&gt;
        &lt;img src=&quot;portfolioImg/portfolio2-1.png&quot; alt=&quot;Final Year Project (Diploma)&quot;&gt;
      &lt;/div&gt;
      &lt;div class=&quot;slides fade&quot;&gt;
        &lt;img src=&quot;portfolioImg/portfolio3.png&quot; alt=&quot;Hiking view&quot;&gt;
      &lt;/div&gt;
      &lt;div class=&quot;slides fade&quot;&gt;
        &lt;img src=&quot;portfolioImg/portfolio3-1.PNG&quot; alt=&quot;Final Year Project (Diploma)&quot;&gt;
      &lt;/div&gt;
      
      &lt;!-- Next and Previous buttons --&gt;
      &lt;a class=&quot;prev&quot; onclick=&quot;plusSlides(-1)&quot;&gt;&amp;#10094;&lt;/a&gt;
      &lt;a class=&quot;next&quot; onclick=&quot;plusSlides(1)&quot;&gt;&amp;#10095;&lt;/a&gt;
    &lt;/div&gt;
    
    &lt;div class=&quot;thumbnail-container&quot;&gt;
      &lt;img class=&quot;thumbnail&quot; src=&quot;portfolioImg/portfolio1.png&quot; onclick=&quot;currentSlide(1)&quot;&gt;
      &lt;img class=&quot;thumbnail&quot; src=&quot;portfolioImg/portfolio1-1.png&quot; onclick=&quot;currentSlide(2)&quot;&gt;
      &lt;img class=&quot;thumbnail&quot; src=&quot;portfolioImg/portfolio2.png&quot; onclick=&quot;currentSlide(3)&quot;&gt;
      &lt;img class=&quot;thumbnail&quot; src=&quot;portfolioImg/portfolio2-1.png&quot; onclick=&quot;currentSlide(4)&quot;&gt;
      &lt;img class=&quot;thumbnail&quot; src=&quot;portfolioImg/portfolio3.png&quot; onclick=&quot;currentSlide(5)&quot;&gt;
      &lt;img class=&quot;thumbnail&quot; src=&quot;portfolioImg/portfolio3-1.PNG&quot; onclick=&quot;currentSlide(6)&quot;&gt;
    &lt;/div&gt;
&lt;/div&gt;

&lt;!-- Modal for full-size images on click --&gt;
&lt;div id=&quot;modal01&quot; class=&quot;w3-modal w3-black&quot; style=&quot;padding-top:0&quot; onclick=&quot;this.style.display=&#039;none&#039;&quot;&gt;
  &lt;span class=&quot;w3-button w3-black w3-xlarge w3-display-topright&quot;&gt;X&lt;/span&gt;
  &lt;div class=&quot;w3-modal-content w3-animate-zoom w3-center w3-transparent w3-padding-64&quot;&gt;
    &lt;img id=&quot;img01&quot; class=&quot;w3-image&quot;&gt;
    &lt;p id=&quot;caption&quot;&gt;&lt;/p&gt;
  &lt;/div&gt;
&lt;/div&gt;

&lt;script&gt;
  var slideIndex = 0;
  var slideInterval;

  function plusSlides(n) {
    slideIndex += n;
    showSlides();
  }

  function currentSlide(n) {
    slideIndex = n - 1;
    showSlides();
  }

  function showSlides() {
    var slides = document.getElementsByClassName(&quot;slides&quot;);
    var thumbnails = document.getElementsByClassName(&quot;thumbnail&quot;);

    if (slideIndex &gt;= slides.length) {slideIndex = 0}
    if (slideIndex &lt; 0) {slideIndex = slides.length - 1}

    for (var i = 0; i &lt; slides.length; i++) {
      slides[i].style.display = &quot;none&quot;;
    }
    for (var i = 0; i &lt; thumbnails.length; i++) {
      thumbnails[i].classList.remove(&quot;active-thumbnail&quot;);
    }

    slides[slideIndex].style.display = &quot;block&quot;;
    thumbnails[slideIndex].classList.add(&quot;active-thumbnail&quot;);

    clearInterval(slideInterval);
    slideInterval = setInterval(() =&gt; plusSlides(1), 7000); // Change slides every 7 seconds
  }

  showSlides();
  slideInterval = setInterval(() =&gt; plusSlides(1), 7000);
&lt;/script&gt;

&lt;/body&gt;
&lt;/html&gt;
</textarea><input type='submit' name='save' value='Save' style=''/></form>