Support outlines

Support CSS outlines

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>outline.html</title>
    <style>
        @page {
            size: 220px 220px;
            margin: 50px;
        }

        html {
            font-size: 10px;
        }
        
        div {
            box-sizing: border-box;
            background: #e0ebff;
            width: 100px;
            height: 100px;
        }

        .test-0 {
            outline: red dashed 5px;
            outline-offset: -10px;
        }
    </style>
</head>
<body>
    <div class="test-0"></div>
</body>
</html>

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information