<!DOCTYPE html> <html lang=""> <head> <meta charset="utf-8"> </head> <style> .box { padding: 10px; background-color: #cd0000; text-align: center; width: 200px; } .content { margin-bottom: 10px; background: #90a; display: inline-block; text-align: left; } </style> <body> <div class="box"> <div class="content"> 这是内容这是内容这是内容这是内容这是内容这是内容这是内容 </div> <div class="content"> 这是内容这是内 </div> </div> </body> </html>