AI 编程工具xxxxxxxxxx<html><head><meta charset="utf-8"> <title>高手教程(study.p2hp.com)</title> <style>div.card { width: 250px; box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19); text-align: center;}div.header { background-color: #4CAF50; color: white; padding: 10px; font-size: 40px;}div.container { padding: 10px;}</style></head><body><h2>卡片</h2><p>box-shadow 属性用来可以创建纸质样式卡片:</p><div class="card"> <div class="header"> <h1>1</h1> </div> <div class="container"> <p>January 1, 2016</p> </div></div></body></html>