要清除元素的浮点数,请使用.clearfix Bootstrap类。
您可以尝试运行以下代码来清除元素的浮点数
<!DOCTYPE html> <html> <head> <title>Bootstrap Example</title> <link href = "/bootstrap/css/bootstrap.min.css" rel = "stylesheet"> <script src = "/scripts/jquery.min.js"></script> <script src = "/bootstrap/js/bootstrap.min.js"></script> </head> <body> <div class = "clearfix" style = "background: orange;border: 1px solid #000; padding: 10px;"> <div class = "pull-left" style = "background: blue; color: white;"> left </div> <div class = "pull-right" style = "background: blue; color:white;"> right </div> </div> </body> </html>