How to gray out the websites of the victims

 

The Wenchuan earthquake in Sichuan has touched the hearts of Chinese children. In May 19-21, it was a national day of mourning. As a part of the Internet, as a webmaster, we can express our condolences to the victims in the disaster area in a special way-turning the website into gray, black and white. So, how can we change a website to a gray black and white style? Use the following CSS Filter to add a webpageCodeTurn website pages into black and white!

HTML {filter: progid: DXImageTransform. Microsoft. basicimage (grayscale = 1 );}