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Bootstrap 4 .border-danger class
Use the border-danger class to set a red border to an element.
Set the border-danger class to an element as if we include any other class −
<div class="new border border-danger"> Red Border </div>
Above, we have also set another class “new”, to style the element −
<style>
.new {
width: 120px;
height: 120px;
margin: 20px;
}
</style>You can try to run the following code to implement the border-danger class −
Example
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
<style>
.new {
width: 120px;
height: 120px;
margin: 20px;
}
</style>
</head>
<body>
<div class="container">
<p>Rectangle with red border:</p>
<div class="new border border-danger">Red Border</div>
</div>
</body>
</html>
Updated on: 16-Jun-2020
182 Views
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