要使用CSS在bottom属性上实现动画,您可以尝试运行以下代码
<!DOCTYPE html> <html> <head> <style> div { width: 200px; height: 300px; background: yellow; border: 10px solid red; animation: myanim 3s infinite; bottom: 30px; position: absolute; } @keyframes myanim { 20% { bottom: 100px; } } </style> </head> <body> <h2>Performing Animation for bottom property</h2> <div></div> </body> </html>