<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>盒子模型</title> </head> <body> <h3 style="">内边距</h3> <div style= "width: 100px; /*padding内边距*/ padding: 10px 20px 30px 40px; border: 10px solid darkred; background-color: #f59b81; " > 合适内边距 </div> <h3>边框</h3> <h3>外边距</h3> <p></p> </body> </html>
