Day of silence, the page is grayed out, you should master developer

April 4 this year, Qingming deep condolences, you will find many sites, have become dark gray color.

In fact, a few words can get

filter: grayscale (100%); // IE browser 

-webkit-filter: grayscale (100% ); // Google Chrome 

-moz-filter: grayscale (100% ); // Firefox 

-ms-filter: grayscale ( % 100); 

-o-filter: Grayscale (100%); 

filter: progid: DXImageTransform.Microsoft.BasicImage (Grayscale = 1); 

-webkit-filter: Grayscale (1); // Google browser