<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<svg version="1.1" baseProfile="full" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" id="svg-root" width="100%" height="100%" viewBox="0 0 480 360">
    <style type="text/css"><![CDATA[
        /* use extra value (auto) to make the css properties invalid */
        #path1 {
            fill: red auto;
            fill-rule: evenodd auto;
            fill-opacity: 10% auto;
            marker-start: url(#marker1) auto;
            marker-mid: url(#marker1) auto;
            marker-end: url(#marker1) auto;
            marker: url(#marker1)  url(#marker1)  url(#marker1) auto;
            stroke-width: 100 auto;
            stroke-opacity: 10% auto;
            stroke-dasharray: 10 5 10 auto;
            clip-path: url(#clip1) auto;
            clip-rule: evenodd auto;
            opacity: 0%; /* does not seem supported yet */
            visibility: hidden auto;
        }
        #circle {
            filter: url(#blurxy) auto;
        }
        stop {
            stop-color: red auto;
            stop-opacity: 10% auto;
        }
        /* test text css props too? */
    ]]></style>
    <defs>
        <clipPath id="clip1">
            <circle cx="30" cy="40" r="10"/>
        </clipPath>
        <linearGradient id="grad" gradientUnits="objectBoundingBox" x1="0" y1="0" x2="1" y2="0">
            <stop stop-color="green"  offset="0"/>
        </linearGradient>
    </defs>
    <filter id="blurxy" filterUnits="objectBoundingBox" x="-10%" y="-10%" width="120%" height="120%">
        <feGaussianBlur stdDeviation="5 1"/>
    </filter>
    <marker id="marker1" viewBox="0 0 10 10" markerWidth="2" markerHeight="2" refX="5" refY="5" markerUnits="strokeWidth">
        <rect width="10" height="10" fill="red" stroke="none"/>
    </marker>
    <text x="0" y="13">The rect should be opaque green, black stroke,</text>
    <text x="0" y="33">no markers and no dashes.</text>
    <path id="path1" fill="green" stroke="black" d="M 30 40 L 80 40 L 80 90  L 30 90 Z"/>
    <circle id="path2" fill="url(#grad)" stroke="black" cx="180" cy="60" r="20"/>
    <text x="0" y="110">The circle should be opaque green, no filter,</text>
    <text x="0" y="130">green stop color.</text>
</svg>