<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>Bootstrap Horizontal Definitoin List</title> <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"> <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js"></script> </head> <body> <div class="m-4"> <dl class="row"> <dt class="col-sm-3">User Agent</dt> <dd class="col-sm-9">Any machine that reads HTML texts is an HTML client agents.</dd> <dt class="col-sm-3 text-truncate">Client-side Scripting</dt> <dd class="col-sm-9">Website source code which are run by a user's browsers were referred to as client-side scripts in generally.</dd> <dt class="col-sm-3">Document Tree</dt> <dd class="col-sm-9">the elemental tree that the original text encodes.</dd> </dl> </div> </body> </html>