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<!DOCTYPE html>
<html>
<title>W3.CSS</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://www.w3schools.com/w3css/5/w3.css">
<body>

<div class="w3-container w3-teal">
  <h1>Summer 2015</h1>
</div>

<div class="w3-row-padding w3-margin-top">
  <div class="w3-third">
    <div class="w3-card">
      <img src="img_5terre.jpg" style="width:100%">
      <div class="w3-container">
        <h5>5 Terre</h5>
      </div>
    </div>
  </div>

<div class="w3-third">
    <div class="w3-card">
      <img src="img_monterosso.jpg" style="width:100%">
      <div class="w3-container">
        <h5>Monterosso</h5>
      </div>
    </div>
  </div>

<div class="w3-third">
    <div class="w3-card">
      <img src="img_vernazza.jpg" style="width:100%">
      <div class="w3-container">
        <h5>Vernazza</h5>
      </div>
    </div>
  </div>
</div>

<div class="w3-row-padding w3-margin-top">
  <div class="w3-third">
    <div class="w3-card">
      <img src="img_manarola.jpg" style="width:100%">
      <div class="w3-container">
        <h5>Manarola</h5>
      </div>
    </div>
  </div>

<div class="w3-third">
    <div class="w3-card">
      <img src="img_corniglia.jpg" style="width:100%">
      <div class="w3-container">
        <h5>Corniglia</h5>
      </div>
    </div>
  </div>

<div class="w3-third">
    <div class="w3-card">
      <img src="img_riomaggiore.jpg" style="width:100%">
      <div class="w3-container">
        <h5>Riomaggiore</h5>
      </div>
    </div>
  </div>
</div>

</body>
</html>

​x
 
<!DOCTYPE html><html><title>W3.CSS</title><meta name="viewport" content="width=device-width, initial-scale=1"><link rel="stylesheet" href="https://www.w3schools.com/w3css/5/w3.css"><body>​<div class="w3-container w3-teal">  <h1>Summer 2015</h1></div>​<div class="w3-row-padding w3-margin-top">  <div class="w3-third">    <div class="w3-card">      <img src="img_5terre.jpg" style="width:100%">      <div class="w3-container">        <h5>5 Terre</h5>      </div>    </div>  </div>​  <div class="w3-third">    <div class="w3-card">      <img src="img_monterosso.jpg" style="width:100%">      <div class="w3-container">        <h5>Monterosso</h5>      </div>    </div>  </div>​  <div class="w3-third">    <div class="w3-card">      <img src="img_vernazza.jpg" style="width:100%">      <div class="w3-container">        <h5>Vernazza</h5>      </div>    </div>  </div></div>​<div class="w3-row-padding w3-margin-top">  <div class="w3-third">    <div class="w3-card">      <img src="img_manarola.jpg" style="width:100%">      <div class="w3-container">        <h5>Manarola</h5>      </div>