Set a blue border to an element in Bootstrap


Use the border-primary class to set a blue border to an element.

For a blue border, add the class, as if you add it for <div> or any other element −

<div class="demo border border-primary">
</div>

Let us see an example to set a blue border −

Example

Live Demo

<!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>
    .demo {
      width: 350px;
      height: 170px;
      margin: 10px;
    }
    </style>
  </head>
  <body>
    <div class="container">
      <h2>Demo Heading</h2>
      <div class="demo border border-primary">This rectangle has blue border</div>
    </div>
  </body>
</html>

Updated on: 17-Jun-2020

197 Views

Kickstart Your Career

Get certified by completing the course

Get Started
Advertisements