W3Schools Tryit Editor

<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
* {box-sizing: border-box}
body {font-family: Verdana, sans-serif; margin:0}

/* Slideshow container */
.slideshow-container {
  position: relative;
  background: #f1f1f1f1;
}

/* Slides */
.mySlides {
  display: none;
  padding: 80px;
  text-align: center;
}

/* Next & previous buttons */
.prev, .next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  width: auto;
  margin-top: -30px;
  padding: 16px;
  color: #888;
  font-weight: bold;
  font-size: 20px;
  border-radius: 0 3px 3px 0;
  user-select: none;
}

/* Position the "next button" to the right */
.next {
  position: absolute;
  right: 0;
  border-radius: 3px 0 0 3px;
}

/* On hover, add a black background color with a little bit see-through */
.prev:hover, .next:hover {
  background-color: rgba(0,0,0,0.8);
  color: white;
}

/* The dot/bullet/indicator container */
.dot-container {
    text-align: center;
    padding: 20px;
    background: #ddd;
}

/* The dots/bullets/indicators */
.dot {
  cursor: pointer;
  height: 15px;
  width: 15px;
  margin: 0 2px;
  background-color: #bbb;
  border-radius: 50%;
  display: inline-block;
  transition: background-color 0.6s ease;
}

/* Add a background color to the active dot/circle */
.active, .dot:hover {
  background-color: #717171;
}

/* Add an italic font style to all quotes */
q {font-style: italic;}

/* Add a blue color to the author */
.author {color: cornflowerblue;}
</style>
</head>
<body>

<div class="mySlides">
  <q>I love you the more in that I believe you had liked me for my own sake and for nothing else</q>
  <p class="author">- John Keats</p>
</div>

<div class="mySlides">
  <q>But man is not made for defeat. A man can be destroyed but not defeated.</q>
  <p class="author">- Ernest Hemingway</p>
</div>

<div class="mySlides">
  <q>I have not failed. I've just found 10,000 ways that won't work.</q>
  <p class="author">- Thomas A. Edison</p>
</div>

</div>

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

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

</body>
</html>

​x
 
<!DOCTYPE html><html><head><meta name="viewport" content="width=device-width, initial-scale=1"><style>* {box-sizing: border-box}body {font-family: Verdana, sans-serif; margin:0}​/* Slideshow container */.slideshow-container {  position: relative;  background: #f1f1f1f1;}​/* Slides */.mySlides {  display: none;  padding: 80px;  text-align: center;}​/* Next & previous buttons */.prev, .next {  cursor: pointer;  position: absolute;  top: 50%;  width: auto;  margin-top: -30px;  padding: 16px;  color: #888;  font-weight: bold;  font-size: 20px;  border-radius: 0 3px 3px 0;  user-select: none;}​/* Position the "next button" to the right */.next {  position: absolute;  right: 0;  border-radius: 3px 0 0 3px;}​/* On hover, add a black background color with a little bit see-through */.prev:hover, .next:hover {  background-color: rgba(0,0,0,0.8);  color: white;