将代码加入在网页HTML之间即可,主要使用CSS Filter grayscale实现
<style>
html {
filter: grayscale(100%);
-webkit-filter: grayscale(100%);
-moz-filter: grayscale(100%);
-ms-filter: grayscale(100%);
-o-filter: grayscale(100%);
filter: url("data:image/svg+xml;utf8,#grayscale");
filter: progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);
-webkit-filter: grayscale(1);
}
</style>
加在body中
body *{
-webkit-filter: grayscale(100%); /* webkit */
-moz-filter: grayscale(100%); /*firefox*/
-ms-filter: grayscale(100%); /*ie9*/
-o-filter: grayscale(100%); /*opera*/
filter: grayscale(100%);
filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);
filter:gray; /*ie9- */
}
加在css中
CSS代码
html {
filter: progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);
-webkit-filter: grayscale(100%);}