SO question

https://stackoverflow.com/q/64690396/1238244

by Luke Harby

HTML

<div class="carouselbox"> 
  
  <div class="slideshow-container">

<div class="slips sfade" style="display: none;">
  <div class="numbertext">1 / 3</div>
  <img src="https://via.placeholder.com/350x110" style="width:100%">
  <div class="captext">Caption Text</div>
</div>

<div class="slips sfade" style="display: none;">
  <div class="numbertext">2 / 3</div>
  <img src="https://i.imgur.com/luWoKhZ.png" style="width:100%">
  <div class="captext">Caption Two</div>
</div>

<div class="slips sfade" style="display: none;">
  <div class="numbertext">3 / 3</div>
  <img src="https://via.placeholder.com/500x110" style="width:100%">
  <div class="captext">Caption Three</div>
</div>

</div>
<br>

<div style="text-align:center">
  <span class="bottomdots"></span> 
  <span class="bottomdots"></span> 
  <span class="bottomdots"></span> 
</div></div>

CSS

*, *:before, *:after {
    -moz-osx-font-smoothing: grayscale;
    -webkit-font-smoothing: antialiased;
    box-sizing: border-box;
    text-rendering: optimizeLegibility;
  }

  img {
    display: block;
    max-width: 100%;
    height: auto !important;
    margin: 0 auto;
  }

  body,html {
    padding: 0;
    margin: 0;
  }

  body {
    background: #bba7ac;
    color: #262626;
    font-family: Baskerville, 'Times New Roman', Times, serif;
    font-weight: 400;
  }

  a, a:visited {
    color: #9248a8;
    text-decoration: none;
    
  }

  a:hover, a:active {
    color: #9a618e;
  }

  img {
    margin: 5px auto;
    display: block;
  }

  h1, h2, h3 {
    font-weight: 400;
    letter-spacing: 1px;
  }

  h3 {
    font-size: 150%;
  }

  article, aside, footer, header, nav, section {
    display: block;
  }

  header, footer {
    text-align: center;
  }

  .c-fluid{
    display: block;
    position: relative;
    margin: 0 auto;
    max-width: 100%;
    height: auto;
    padding: 10px;
  }

  blockquote {
    border-left:; 2px solid #9248a8;
    padding-left: 12px;
  }

  /* Header + Title */
  header {
    background: #bba7ac;
    
    background-size: cover;
    background-position: center;
  }

  #logo {
    font-family: 'Typewriter FS', serif;
    font-size: 50px;
    font-weight: 700;
    letter-spacing: 2px;
    margin: 50px auto 20px;
    padding: 10px;
    text-transform: uppercase;
    padding-bottom: 40px;
  }

  #logo a, #logo a:visited {
    color: #262626;
    text-decoration: none;
  }

  #logo a:hover, #logo a:active {
    color: #9a618e;
  }

  .avatar {
    border-radius: 100%;
  }

  /* Content Container */
  .wrapper:before,
  .wrapper:after {
    display: table;
    content: '';
  }

  .wrapper:after {
    clear: both;
  }

  .cc {
    margin: 0 auto;
    padding: 0;
  }

  .cc,
  .sc {
    overflow: hidden;
  }

  /* Container */
  .c {
    background: #FEFEFE;
  }

  /* Sidebar */
  .s {
    background: #FEFEFE;
    text-align: center;
...

JavaScript

var slideIndex = 0;
showSlides();

function showSlides() {
  var i;
  var slides = document.getElementsByClassName("slips");
  var dots = document.getElementsByClassName("bottomdots");
  for (i = 0; i < slides.length; i++) {
    slides[i].style.display = "none";  
  }
  slideIndex++;
  if (slideIndex > slides.length) {
	  slideIndex = 1
  }
  for (i = 0; i < dots.length; i++) {
    dots[i].className = dots[i].className.replace(" activedot", "");
  }
  slides[slideIndex-1].style.display = "block";  
  dots[slideIndex-1].className += " activedot";
  setTimeout(showSlides, 2000); // Change image every 2 seconds
}