网站页面变灰教程

/*网站变灰*/
html {-webkit-filter: grayscale(100%);-moz-filter: grayscale(100%);
-ms-filter: grayscale(100%);-o-filter: grayscale(100%);
filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);_filter:none;
}