w3css 在线编辑器 | w3css代码测试

<!DOCTYPE html>
<html>
<title>W3.CSS</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://www.cainiaomax.com/w3css/4/w3.css">
<style>.mySlides {display:none;}
</style>
<body>

<h2 class="w3-center">HTML 幻灯片</h2>

<div class="w3-content" style="max-width:400px">
  <div class="mySlides w3-container w3-red">
    <h1><b>你知道吗？</b></h1>
    <h1><i>我们计划在 2020 年代销售登月旅行</i></h1>
  </div>

<img class="mySlides" src="img_monterosso.jpg" style="width:100%">

<div class="mySlides w3-container w3-xlarge w3-white w3-card-4">
    <p><span class="w3-tag w3-yellow">New!</span>
    <p>6 水晶眼镜</p>
    <p>只需 99 元！</p>
  </div>

<img class="mySlides" src="img_manarola.jpg" style="width:100%">
</div>

<script>
var slideIndex = 0;
carousel();

function carousel() {
  var i;
  var x = document.getElementsByClassName("mySlides");
  for (i = 0; i < x.length; i++) {
    x[i].style.display = "none"; 
  }
  slideIndex++;
  if (slideIndex > x.length) {slideIndex = 1} 
  x[slideIndex-1].style.display = "block"; 
  setTimeout(carousel, 2000); 
}
</script>

</body>
</html>