<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>我的网页</title>
<style>
body {
font-family: Arial, sans-serif;
background-color: #f0f0f0;
text-align: center;
padding: 50px;
}
h1 {
color: #333;
}
button {
padding: 10px 20px;
font-size: 16px;
background-color: #007BFF;
color: white;
border: none;
cursor: pointer;
}
button:hover {
background-color: #0056b3;
}
</style>
</head>
<body>
<h1>你好，世界！</h1>
<button οnclick="alert('你点击了按钮！')">点击我</button>
</body>
</html>