css3案例解析

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        p {
            color: red;
            color: #ff0000;
            color: rgb(255, 0, 0);
            font-size: 30px;
        }
    </style>
</head>

<body>
    <p></p>
</body>

</html>

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