Vorlage:Slideshow

 {{{1}}}
 <a class="prev" onclick="plusSlides(-1)">❮</a>
 <a class="next" onclick="plusSlides(1)">❯</a>

 {{{2}}}

<script> var slideIndex = 1; showSlides(slideIndex);

function plusSlides(n) {

 showSlides(slideIndex += n);

}

function currentSlide(n) {

 showSlides(slideIndex = n);

}

function showSlides(n) {

 var i;
 var slides = document.getElementsByClassName("mySlides");
 var dots = document.getElementsByClassName("dot");
 if (n > slides.length) {slideIndex = 1}
 if (n < 1) {slideIndex = slides.length}
 for (i = 0; i < slides.length; i++) {
   slides[i].style.display = "none";
 }
 for (i = 0; i < dots.length; i++) {
   dots[i].className = dots[i].className.replace(" active", "");
 }
 slides[slideIndex-1].style.display = "block";
 dots[slideIndex-1].className += " active";

} </script>

<style>

• {box-sizing: border-box;}

body {font-family: Verdana, sans-serif; margin:0} .slideshow-container {

 position: relative;
 max-width: 1000px;
 margin: auto;

} .mySlides {

 display: none;

} .prev, .next {

 cursor: pointer;
 position: absolute;
 top: 50%;
 width: auto;
 padding: 16px;
 margin-top: -22px;
 color: white;
 font-weight: bold;
 font-size: 18px;
 transition: 0.6s ease;
 border-radius: 0 3px 3px 0;
 user-select: none;

} .next {

 right: 0;
 border-radius: 3px 0 0 3px;

} .prev:hover, .next:hover {

 background-color: rgba(0,0,0,0.8);

} .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;

} .active, .dot:hover {

 background-color: #717171;

} .fade {

 animation-name: fade;
 animation-duration: 1.5s;

} @keyframes fade {

 from {opacity: .4} 
 to {opacity: 1}

} .text {

 color: #f2f2f2;
 font-size: 15px;
 padding: 8px 12px;
 position: absolute;
 bottom: 8px;
 width: 100%;
 text-align: center;

} </style>