将图片置为黑白

关键css为:

.desaturate { 
	-webkit-filter: grayscale(100%);  
    -moz-filter: grayscale(100%);   
  	-ms-filter: grayscale(100%);     
  	-o-filter: grayscale(100%);       
    filter: grayscale(100%); 	    
    filter: gray; 
      }/* desaturate去色  制作黑白图片*/

关键html为:

<img src="../imags/bigImage.png"/>
<img src="../imags/bigImage.png" class="desaturate"/>