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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="../lib/w3.css">
<body class="w3-container">

<h2>Hover Border Color</h2>
All the w3-color classes can be used as hover border classes:

Hover red
Hover green
Hover blue
Hover black

</body>
</html>

<!DOCTYPE html>
<html>
<title>W3.CSS</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="../lib/w3.css">
<body class="w3-container">

<h2>Hover Border Color</h2>
<p>All the w3-color classes can be used as hover border classes:</p>

<p class="w3-border w3-hover-border-red">Hover red</p>
<p class="w3-border w3-hover-border-green">Hover green</p>
<p class="w3-border w3-hover-border-blue">Hover blue</p>
<p class="w3-border w3-hover-border-black">Hover black</p>

</body>
</html>