实现代码：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>demo</title>
<style>
* {
margin: 0;
padding: 0
}
.box-handwriting {
padding: 20px 80px;
width: 640px;
height:245px;
border: 15px outset #973C13;
margin: 40px auto 0;
background: #aaa519;
}
.box-handwriting img {
border: 2px solid #bababa;
}
</style>
</head>
<body>
<div class="box-handwriting">
<img src="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1521269450718&di=0e8b7db5918e4c8eb5fe1371ab7d5b54&imgtype=0&src=http%3A%2F%2Fwww.sh1122.com%2Fupimg%2F2014%2F0901%2F5889_0_1409559616.jpg"
alt="字匾相框" title="字匾相框" width="640" height="245" />
</div>
</body>
</html>
实现效果图：