cript>
</head>
<body>
<script>
test_valid_value("opacity", "1");
test_valid_value("opacity", "0.5");
test_valid_value("opacity", "0");
test_valid_value("opacity", "-2");
test_valid_value("opacity", "3");
test_valid_value("opacity", "-100%", "-1");
test_valid_value("opacity", "50%", "0.5");
test_valid_value("opacity", "300%", "3");

</script>
</body>
</html>
