<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> <style> * { margin: 0; padding: 0; } .box { margin: 0 auto; width: 1226px; height: 614px; /* background-color: pink; */ } .left { float: left; width: 234px; height: 614px; background-color: #800080; } .right { float: right; width: 978px; height: 614px; /* background-color: green; */ } ul { /* 去掉列表的符号 */ list-style: none; } .right li { float: left; margin-right: 14px; margin-bottom: 14px; width: 234px; height: 300px; background-color: #87ceeb; } /* 如果父级的宽度不够, 子级会自动换行 */ /* 第四个li和第八个li右侧间距清除 */ .right li:nth-child(4n) { margin-right: 0; } </style> </head> <body> <div class="box"> <div class="left"></div> <div class="right"> <ul> <li></li> <li></li> <li></li> <li></li> <li></li> <li></li> <li></li> <li></li> </ul> </div> </div> </body> </html>