<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>${title}</title>
<style>
body {
font-family: Arial, sans-serif;
color: #333;
background-color: #f4f4f4;
margin: 0;
padding: 0;
}
.header {
background-color: #4CAF50;
color: white;
padding: 20px;
text-align: center;
}
.content {
padding: 20px;
}
.footer {
background-color: #f4f4f4;
color: #333;
padding: 10px;
text-align: center;
font-size: 12px;
}
.button {
background-color: #4CAF50;
color: white;
padding: 10px 20px;
text-decoration: none;
border-radius: 5px;
display: inline-block;
}
</style>
</head>
<body>
<div class="header">
<h1>${header}</h1>
</div>
<div class="content">
${container}
</div>
<div class="footer">
<p>${copyright}</p>
</div>
</body>
</html>