HTML CSS examples for Bootstrap:Page
background colors are:.bg-primary, .bg-success, .bg-info, .bg-warning, and .bg-danger:
<!DOCTYPE html> <html> <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/4.0.0-beta.2/css/bootstrap.min.css"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.6/umd/popper.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/js/bootstrap.min.js"></script> </head><!-- w w w . j a va2 s. co m--> <body> <div class="container"> <h2>Contextual Backgrounds</h2> <p>Use the contextual background classes to provide "meaning through colors".</p> <p>Note that you can also add a .text-* class if you want a different text color:</p> <p class="bg-primary text-white">This text is important.</p> <p class="bg-success text-white">This text indicates success.</p> <p class="bg-info text-white">This text represents some information.</p> <p class="bg-warning text-white">This text represents a warning.</p> <p class="bg-danger text-white">This text represents danger.</p> <p class="bg-secondary text-white">Secondary background color.</p> <p class="bg-dark text-white">Dark grey background color.</p> <p class="bg-light text-dark">Light grey background color.</p> </div> </body> </html>