CSS 置灰方法
css
的代码:
.gray {
/*grayscale(val):val值越大灰度就越深*/
-webkit-filter: grayscale(100%);
-moz-filter: grayscale(100%);
-o-filter: grayscale(100%);
filter: grayscale(100%);
text-align: center;
}
HTML
和 CSS
结合代码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<style>
.gray {
/*grayscale(val):val值越大灰度就越深*/
-webkit-filter: grayscale(100%);
-moz-filter: grayscale(100%);
-o-filter: grayscale(100%);
filter: grayscale(100%);
text-align: center;
}
#gray_img {
width: 405px;
height: 630px;
}
</style>
<title>Document</title>
</head>
<body>
<div class="gray">
<h1>
我是标题
</h1>
<div>
<img src="https://ss3.baidu.com/-fo3dSag_xI4khGko9WTAnF6hhy/zhidao/pic/item/8c1001e93901213faeed18c350e736d12e2e95d6.jpg" alt="置灰图片" id="gray_img">
</div>
</div>
</body>
</html>
效果图: