<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>in-range和out-of-range</title>
<style>
input[type="number"]:in-range{
color: #06ff29;
}
input[type="number"]:out-of-range{
color: #ff1813;
}
</style>
</head>
<body>
<h1>in-range和out-of-range</h1>
<form>
<input type="number" min="0" max="100">
</form>
</body>
</html>
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