/*黑白灰度滤镜
html{*/
            /*-webkit-filter: grayscale(100%); webkit */
          /* -moz-filter: grayscale(100%); firefox*/
           /*-ms-filter: grayscale(100%); ie9*/
           /* -o-filter: grayscale(100%);opera*/
          /* filter: grayscale(100%);
           filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);
           filter:gray; ie9- 

}
body{*/
          /* -webkit-filter: grayscale(100%);  webkit */
           /*-moz-filter: grayscale(100%); firefox*/
           /*-ms-filter: grayscale(100%); ie9*/
           /* -o-filter: grayscale(100%);opera*/
          /* filter: grayscale(100%);
           filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);
           filter:gray; 

}
*/