兼容所有浏览器的页面黑白代码

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 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'/></filter></svg>#grayscale");filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);-webkit-filter: grayscale(1);}  #grayscale"); filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1); -webkit-filter: grayscale(1); }