代码
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> <link rel="stylesheet" href="./bootstrap-3.4.1-dist/css/bootstrap.min.css"> <style> div { background-color: pink; } </style> </head> <body> <div class="container">1</div> <div class="container"> <div class="row"> 2 </div> </div> </body> </html>
