一句css代码让你的网站变灰

1. html{
2. -webkit-filter: grayscale(100%);
3. -moz-filter: grayscale(100%);
4. -ms-filter: grayscale(100%);
5. -o-filter: grayscale(100%);
6. filter: grayscale(100%);
7. filter: url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><fecolormatrix type=\'ma
8. trix\' values=\'0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'></fecolormatrix></filter></svg>#grayscale");
9. filter: progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);
10. }