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<!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/3.4.1/css/bootstrap.min.css"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"></script> </head> <body> <div class="container-fluid"> <h1>Hello World!</h1> <p>Resize the browser window to see the effect.</p> <div class="row"> <div class="col-sm-8" style="background-color:lavender;">.col-sm-8 <div class="row"> <div class="col-sm-6" style="background-color:lightcyan;">.col-sm-6</div> <div class="col-sm-6" style="background-color:lightgray;">.col-sm-6</div> </div> </div> <div class="col-sm-4" style="background-color:lavenderblush;">.col-sm-4</div> </div> </div> </body> </html>
