纯css网页改灰度效果,兼容ie、firefox、chrome、opera、safar

<small id='ipdp8'></small><noframes id='ipdp8'>
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<legend id='ipdp8'><style id='ipdp8'><dir id='ipdp8'><q id='ipdp8'></q></dir></style></legend>
<i id='ipdp8'><tr id='ipdp8'><dt id='ipdp8'><q id='ipdp8'><span id='ipdp8'><b id='ipdp8'><form id='ipdp8'><ins id='ipdp8'></ins><ul id='ipdp8'></ul><sub id='ipdp8'></sub></form><legend id='ipdp8'></legend><bdo id='ipdp8'><pre id='ipdp8'><center id='ipdp8'></center></pre></bdo></b><th id='ipdp8'></th></span></q></dt></tr></i><div id='ipdp8'><tfoot id='ipdp8'></tfoot><dl id='ipdp8'><fieldset id='ipdp8'></fieldset></dl></div>
<bdo id='ipdp8'></bdo><ul id='ipdp8'></ul>
*{
-webkit-filter: grayscale(100%);
-moz-filter: grayscale(100%);
-ms-filter: grayscale(100%);
-o-filter: grayscale(100%);
filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);
_filter:none;
}