Web page change black and white code (let flash also darken)

Article Introduction: code that makes all elements of a Web page dimmed, including Flash, only supports IE.

How to achieve the page Code of Web page dimmed: http://www.webjx.com/css/divcss-33559.html

April 21 National Day of Mourning Web page dimmed CSS code: http://www.webjx.com/css/divcss-23270.html

Code that makes all elements of a Web page dimmed, including Flash, only supports IE:

The first method: Add the following code to the and of the page:

The second way: Add the following code to the Web site's CSS file:
*{filter:gray;}

The above code can make the page except flash all elements dimmed, if the Web page contains flash, you can use the following methods to make flash dimmed:

The first method: If Flash is invoked in the following way, add "wmode=" opaque "" in your code, for example:

The second method: If Flash is invoked in the following way, add "" in your code, for example: