Bootstrap 4 Button .btn-outline-secondary class

Use the btn-outline-seondary class to set a grey outline in Bootstrap 4 to show less important information.

The following is the code to set Bootstrap button to add grey outline −

<button type="button" class="btn btn-outline-secondary">

Let us see how to implement the btn-outline-secondary class −


Live Demo

<!DOCTYPE html>
<html lang="en">
    <title>Bootstrap Example</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="">
    <script src=""></script>
    <script src=""></script>
  <p>The following are the tools:</p>
  <ul class = "list-group">
    <li class = "list-group-item">Online Compiler</li>
    <li class = "list-group-item">Image Editor</li>
    <li class = "list-group-item">Image Optimizer</li>
    <li class = "list-group-item">Whiteboard</li>
  <p>For more tools, click below:</p>
  <button type="button" class="btn btn-outline-secondary">More</button>