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Test Info:
<!DOCTYPE html>
<html>
<head>
<title>Green square</title>
<style>
.filter {
filter: brightness(0.75);
}
.container {
width: 200px;
height: 200px;
transform-style: preserve-3d;
background-color: red;
}
.square {
position: absolute;
width: 200px;
height: 200px;
transform-style: preserve-3d;
background-color: green;
}
</style>
</head>
<body>
<div class="filter">
<div class="container">
<div class="square"></div>
</div>
</div>
</body>
</html>