现场演示：我的 HTML 文档

xxxxxxxxxx
 
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Example of CSS3 Border Images</title>
<style>
    .box {
        width: 300px;
        height: 150px;
        border: 15px solid transparent;
        -webkit-border-image: url("/examples/images/border.png") 30 30 round; /* Safari 3.1-5 */
        -o-border-image: url("/examples/images/border.png") 30 30 round; /* Opera 11-12.1 */
        border-image: url("/examples/images/border.png") 30 30 round;
    }
</style>
</head>
<body>
    <div class="box"></div>
</body>
</html>