<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.0/dist/css/bootstrap.min.css" rel="stylesheet"> </head> <body> <p class="text-active">hello world</p> <p class="text-primary">hello world</p> <p class="text-secondary">hello world</p> <p class="text-success">hello world</p> <p class="text-danger">hello world</p> <p class="text-warning">hello world</p> <p class="text-info">hello world</p> <p class="text-light">hello world</p> <p class="text-dark">hello world</p> <button type="button" class="btn btn-primary">Primary</button> <button type="button" class="btn btn-secondary">Secondary</button> <button type="button" class="btn btn-success">Success</button> <button type="button" class="btn btn-danger">Danger</button> <button type="button" class="btn btn-warning">Warning</button> <button type="button" class="btn btn-info">Info</button> <button type="button" class="btn btn-light">Light</button> <button type="button" class="btn btn-dark">Dark</button> <button type="button" class="btn btn-link">Link</button> <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.0/dist/js/bootstrap.bundle.min.js"></script> </body> </html>