给网站添加灰白滤镜(默哀主题色)

默哀专用,添加在html根节点或者body节点,致敬英烈们,感恩你们的守护~~ 1、天猫 html { -webkit-filter: grayscale(100%); -moz-filter: grayscale(100%); -ms-filter: grayscale(100%); -o-filter: grayscale(100%); filter: grayscale(100%); filter: url(data:image/svg+xml;utf8,#grayscale); filter: progid:DXImageTra