试一试 - W3.CSS slideshow

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<title>W3.CSS</title>
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  <h1><b>Did You Know?</b></h1>
  <h1><i>We plan to sell trips to the moon in the 2020s</i></h1>
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<div class="mySlides w3-container w3-xlarge w3-white w3-card-8">
  <p><span class="w3-tag w3-yellow">New!</span>
  <p>6 Crystal Glasses</p>
  <p>Only $99 !!!</p>
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