App下载
APP二维码

扫码下载编程狮APP

实例代码( Tip: 登录后体验更佳 )
运行代码 
<!DOCTYPE html>
<html>
<head>
    <title>W3.CSS(w3cschool.cn)</title>
    <meta name="viewport" content="width=device-width, initial-scale=1" charset="UTF-8">
    <link rel="stylesheet" href="https://7npmedia.w3cschool.cn/w3.css">
</head>
<body>
<div class="w3-container">
<h2>灰度效果</h2>
<p>w3灰度类为元素添加了灰度效果。</p>
<p><strong>注意：</strong> IE 11和更早版本不支持w3-grayscale类。</p>
<p>正常：</p>
<img src="https://atts.w3cschool.cn/img_workshop.jpg" alt="Snow" style="width:150px">
<p>w3-grayscale-min（灰度最小值）:</p>
<img src="https://atts.w3cschool.cn/img_workshop.jpg" alt="Snow" class="w3-grayscale-min" style="width:150px">
<p>w3-grayscale（灰度）:</p>
<img src="https://atts.w3cschool.cn/img_workshop.jpg" alt="Snow" class="w3-grayscale" style="width:150px">
<p>w3-grayscale-max (黑白):</p>
<img src="https://atts.w3cschool.cn/img_workshop.jpg" alt="Snow" class="w3-grayscale-max" style="width:150px">
</div>
</body>
</html>
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
运行结果
PC端 手机端 平板端