<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <style type="text/css"> .box { animation: change 3s forwards; } /* 百分比是相对动画时长 */ @keyframes change { 0% { width: 100px; height: 100px; background-color: #ccc; } 20% { width: 200px; height: 300px; background-color: #aaa; } 50% { width: 200px; height: 400px; background-color: blue; } 80% { width: 600px; height: 500px; background-color: yellow; } 100% { width: 800px; height: 800px; background-color: red; } } </style> </head> <body> <div class="box"></div> </body> </html>
来源:https://www.cnblogs.com/divtab/p/11588660.html