整个网页置灰的办法 2022-12-08 直接看例子： <html xmlns="http://www.w3.org/1999/xhtml" style=" -webkit-filter: grayscale(100%); -moz-filter: grayscale(100%); -ms-filter: grayscale(100%); -o-filter: grayscale(100%); filter: grayscale(100%); filter: progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);"> ...... </html>
