html css设置颜色渐变效果

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Linear Gradient Example</title>
    <style>
        .gradient-background {
            width: 100%;
            height: 300px;
            background: linear-gradient(to right, red, yellow);
        }
    </style>
</head>
<body>
    <div class="gradient-background">
        This is a linear gradient background.
    </div>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Radial Gradient Example</title>
    <style>
        .gradient-background {
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, red, yellow);
        }
    </style>
</head>
<body>
    <div class="gradient-background">
        This is a radial gradient background.
    </div>
</body>
</html>