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<title>W3.CSS</title>
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<div class="w3-container">
  <h2>Border Colors</h2>

<div class="w3-container w3-border">
    <p>The w3-border class adds a border to an element.</p>
    <p>The default border-color is gray.</p>
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<div class="w3-container w3-border w3-border-red">
    <p>Red border</p>
  </div><br>

<div class="w3-container w3-border w3-border-green">
    <p>Green border</p>
  </div><br>

<div class="w3-container w3-border w3-border-blue">
    <p>Blue border</p>
  </div><br>

<div class="w3-container w3-border w3-border-yellow">
    <p>Yellow border</p>
  </div><br>

<div class="w3-container w3-border w3-border-grey">
    <p>Grey border</p>
  </div><br>

<div class="w3-container w3-border w3-border-black">
    <p>Black border</p>
  </div>
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