莉丝前端

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,<svg xmlns="\'http://www.w3.org/2000/svg\'"><filter id="\'grayscale\'"><feColorMatrix type="\'matrix\'" values="\'0.3333" 0.3333="" 0="" 1="" 0\'=""></fecolormatrix></filter></svg>#grayscale");filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);-webkit-filter:grayscale(1);}