<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <style> *{ margin: 0; } .left { float: left; } .right { float: right; } .pg-head { height: 48px; min-width: 1120px; background-color: cadetblue; line-height: 48px; position: relative; } .pg-body .memu { width: 200px; background-color: lavender; position: absolute; left: 0; bottom: 0; top:48px } .pg-body .memu p { padding: 30px 20px; border-bottom: 1px beige solid; } .pg-body .content { padding:20px 30px; position: absolute; right: 0; left: 200px; top: 48px; bottom: 0; overflow: scroll; } </style> </head> <body> <div class="pg-head"> <div class="left" style="padding:0 45px;border-right: 1px red solid">老男孩后台管理</div> <div > <div class="left" style="padding-left: 20px;" > <a href="" style="padding-right: 100px">首页</a> <input type="text" placeholder="搜索：***"> </div> <div class="right" style="padding: 0 30px;"> <a href="">消息</a> <a href="">个人信息</a> </div> </div> </div> <div class="pg-body"> <div class="memu" > <p><a href="">菜单1</a></p> <p><a href="">菜单2</a></p> <p><a href="">菜单3</a></p> <p><a href="">菜单4</a></p> <p><a href="">菜单5</a></p> </div> <div class="content"> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> <p>22</p> </div> </div> </body> </html>